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5255125 = 53172473
BaseRepresentation
bin10100000010111111010101
3100212222200021
4110002333111
52321131000
6304345141
762445031
oct24027725
910788607
105255125
112a6a287
1219151b1
13111cc55
149ab1c1
156dc11a
hex502fd5

5255125 has 16 divisors (see below), whose sum is σ = 6946992. Its totient is φ = 3955200.

The previous prime is 5255123. The next prime is 5255137. The reversal of 5255125 is 5215525.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 550564 + 4704561 = 742^2 + 2169^2 .

It is not a de Polignac number, because 5255125 - 21 = 5255123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a zygodrome in base 13.

It is a self number, because there is not a number n which added to its sum of digits gives 5255125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5255123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 889 + ... + 3361.

It is an arithmetic number, because the mean of its divisors is an integer number (434187).

Almost surely, 25255125 is an apocalyptic number.

It is an amenable number.

5255125 is a deficient number, since it is larger than the sum of its proper divisors (1691867).

5255125 is a wasteful number, since it uses less digits than its factorization.

5255125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505 (or 2495 counting only the distinct ones).

The product of its digits is 2500, while the sum is 25.

The square root of 5255125 is about 2292.4059413638. The cubic root of 5255125 is about 173.8578682534.

The spelling of 5255125 in words is "five million, two hundred fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 17 25 85 125 425 2125 2473 12365 42041 61825 210205 309125 1051025 5255125