10256625 has 40 divisors (see below), whose sum is σ = 19140264. Its totient is φ = 5464800.

The previous prime is 10256621. The next prime is 10256663. The reversal of 10256625 is 52665201.

10256625 is a `hidden beast` number, since 10 + 25 + 6 + 625 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3111696 + 7144929 = 1764^2 + 2673^2 .

It is not a de Polignac number, because 10256625 - 2² = 10256621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10256621) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9619 + ... + 10631.

Almost surely, 2^10256625 is an apocalyptic number.

10256625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10256625 is a deficient number, since it is larger than the sum of its proper divisors (8883639).

10256625 is an equidigital number, since it uses as much as digits as its factorization.

10256625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1021 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 10256625 is about 3202.5966027585. The cubic root of 10256625 is about 217.2708645177.

The spelling of 10256625 in words is "ten million, two hundred fifty-six thousand, six hundred twenty-five".