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2664425 = 52197541
BaseRepresentation
bin1010001010011111101001
312000100220102
422022133221
51140230200
6133035145
731435001
oct12123751
95010812
102664425
11155a905
12a85ab5
137239aa
144d5001
153796d5
hex28a7e9

2664425 has 12 divisors (see below), whose sum is σ = 3326796. Its totient is φ = 2116800.

The previous prime is 2664401. The next prime is 2664439. The reversal of 2664425 is 5244662.

It can be written as a sum of positive squares in 6 ways, for example, as 43264 + 2621161 = 208^2 + 1619^2 .

It is not a de Polignac number, because 2664425 - 28 = 2664169 is a prime.

It is a magnanimous number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4655 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (277233).

22664425 is an apocalyptic number.

2664425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2664425 is a deficient number, since it is larger than the sum of its proper divisors (662371).

2664425 is a wasteful number, since it uses less digits than its factorization.

2664425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748 (or 743 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 2664425 is about 1632.3066501120. The cubic root of 2664425 is about 138.6333868555.

The spelling of 2664425 in words is "two million, six hundred sixty-four thousand, four hundred twenty-five".

Divisors: 1 5 25 197 541 985 2705 4925 13525 106577 532885 2664425