1256652925 has 24 divisors (see below), whose sum is σ = 1701846432. Its totient is φ = 912888000.

The previous prime is 1256652923. The next prime is 1256652967. The reversal of 1256652925 is 5292566521.

It is not a de Polignac number, because 1256652925 - 2¹ = 1256652923 is a prime.

It is a super-2 number, since 2×1256652925² = 3158353147822111250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1256652923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305130 + ... + 309220.

It is an arithmetic number, because the mean of its divisors is an integer number (70910268).

Almost surely, 2^1256652925 is an apocalyptic number.

It is an amenable number.

1256652925 is a deficient number, since it is larger than the sum of its proper divisors (445193507).

1256652925 is a wasteful number, since it uses less digits than its factorization.

1256652925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5229 (or 5224 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The square root of 1256652925 is about 35449.3007688445. The cubic root of 1256652925 is about 1079.1250701424.

The spelling of 1256652925 in words is "one billion, two hundred fifty-six million, six hundred fifty-two thousand, nine hundred twenty-five".