265625004 has 12 divisors (see below), whose sum is σ = 619791704. Its totient is φ = 88541664.

The previous prime is 265624993. The next prime is 265625011. The reversal of 265625004 is 400526562.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11067697 + ... + 11067720.

Almost surely, 2^265625004 is an apocalyptic number.

It is an amenable number.

265625004 is an abundant number, since it is smaller than the sum of its proper divisors (354166700).

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

265625004 is a wasteful number, since it uses less digits than its factorization.

265625004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22135424 (or 22135422 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 265625004 is about 16298.0061357210. The cubic root of 265625004 is about 642.8204008913.

The spelling of 265625004 in words is "two hundred sixty-five million, six hundred twenty-five thousand, four".