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5125725 = 32521119109
BaseRepresentation
bin10011100011011001011101
3100122102011200
4103203121131
52303010400
6301510113
761365543
oct23433135
910572150
105125725
112991040
121872339
1310a6097
14975d93
156b3b00
hex4e365d

5125725 has 72 divisors (see below), whose sum is σ = 10639200. Its totient is φ = 2332800.

The previous prime is 5125723. The next prime is 5125733. The reversal of 5125725 is 5275215.

It is a happy number.

It is not a de Polignac number, because 5125725 - 21 = 5125723 is a prime.

5125725 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5125723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 46971 + ... + 47079.

Almost surely, 25125725 is an apocalyptic number.

5125725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5125725 is an abundant number, since it is smaller than the sum of its proper divisors (5513475).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5125725 is a wasteful number, since it uses less digits than its factorization.

5125725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 147 counting only the distinct ones).

The product of its digits is 3500, while the sum is 27.

The square root of 5125725 is about 2264.0064045846. The cubic root of 5125725 is about 172.4189915789.

The spelling of 5125725 in words is "five million, one hundred twenty-five thousand, seven hundred twenty-five".

Divisors: 1 3 5 9 11 15 19 25 33 45 55 57 75 95 99 109 165 171 209 225 275 285 327 475 495 545 627 825 855 981 1045 1199 1425 1635 1881 2071 2475 2725 3135 3597 4275 4905 5225 5995 6213 8175 9405 10355 10791 15675 17985 18639 22781 24525 29975 31065 47025 51775 53955 68343 89925 93195 113905 155325 205029 269775 341715 465975 569525 1025145 1708575 5125725