250528664 has 16 divisors (see below), whose sum is σ = 480666120. Its totient is φ = 122351040.

The previous prime is 250528637. The next prime is 250528667. The reversal of 250528664 is 466825052.

It is a super-2 number, since 2×250528664² = 125529222971249792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250528667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363797 + ... + 364484.

Almost surely, 2^250528664 is an apocalyptic number.

It is an amenable number.

250528664 is a deficient number, since it is larger than the sum of its proper divisors (230137456).

250528664 is a wasteful number, since it uses less digits than its factorization.

250528664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728330 (or 728326 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 250528664 is about 15828.0972956322. The cubic root of 250528664 is about 630.4042622450.

The spelling of 250528664 in words is "two hundred fifty million, five hundred twenty-eight thousand, six hundred sixty-four".