264745625 has 20 divisors (see below), whose sum is σ = 338554128. Its totient is φ = 206850000.

The previous prime is 264745603. The next prime is 264745633. The reversal of 264745625 is 526547462.

It is a de Polignac number, because none of the positive numbers 2^k-264745625 is a prime.

It is a Duffinian number.

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 19 ways as a sum of consecutive naturals, for example, 21950 + ... + 31800.

Almost surely, 2^264745625 is an apocalyptic number.

264745625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264745625 is a deficient number, since it is larger than the sum of its proper divisors (73808503).

264745625 is an frugal number, since it uses more digits than its factorization.

264745625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9914 (or 9899 counting only the distinct ones).

The product of its digits is 403200, while the sum is 41.

The square root of 264745625 is about 16271.0056542305. The cubic root of 264745625 is about 642.1102421943.

The spelling of 264745625 in words is "two hundred sixty-four million, seven hundred forty-five thousand, six hundred twenty-five".