264797725 has 6 divisors (see below), whose sum is σ = 328349210. Its totient is φ = 211838160.

The previous prime is 264797717. The next prime is 264797749. The reversal of 264797725 is 527797462.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 21874329 + 242923396 = 4677^2 + 15586^2 .

It is not a de Polignac number, because 264797725 - 2³ = 264797717 is a prime.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 5295930 + ... + 5295979.

Almost surely, 2^264797725 is an apocalyptic number.

264797725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264797725 is a deficient number, since it is larger than the sum of its proper divisors (63551485).

264797725 is a wasteful number, since it uses less digits than its factorization.

264797725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591919 (or 10591914 counting only the distinct ones).

The product of its digits is 1481760, while the sum is 49.

The square root of 264797725 is about 16272.6065828435. The cubic root of 264797725 is about 642.1523602959.

The spelling of 264797725 in words is "two hundred sixty-four million, seven hundred ninety-seven thousand, seven hundred twenty-five".