264671925 has 72 divisors (see below), whose sum is σ = 523341504. Its totient is φ = 115610880.

The previous prime is 264671921. The next prime is 264672011. The reversal of 264671925 is 529176462.

It is not a de Polignac number, because 264671925 - 2² = 264671921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264671921) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 277249 + ... + 278201.

It is an arithmetic number, because the mean of its divisors is an integer number (7268632).

Almost surely, 2^264671925 is an apocalyptic number.

264671925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264671925 is a deficient number, since it is larger than the sum of its proper divisors (258669579).

264671925 is a wasteful number, since it uses less digits than its factorization.

264671925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019 (or 991 counting only the distinct ones).

The product of its digits is 181440, while the sum is 42.

The square root of 264671925 is about 16268.7407318452. The cubic root of 264671925 is about 642.0506530235.

The spelling of 264671925 in words is "two hundred sixty-four million, six hundred seventy-one thousand, nine hundred twenty-five".