523664253 has 48 divisors (see below), whose sum is σ = 907695360. Its totient is φ = 284435712.

The previous prime is 523664249. The next prime is 523664287. The reversal of 523664253 is 352466325.

523664253 is a `hidden beast` number, since 5 + 2 + 3 + 6 + 642 + 5 + 3 = 666.

It is not a de Polignac number, because 523664253 - 2² = 523664249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523664233) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 249633 + ... + 251721.

It is an arithmetic number, because the mean of its divisors is an integer number (18910320).

Almost surely, 2^523664253 is an apocalyptic number.

It is an amenable number.

523664253 is a deficient number, since it is larger than the sum of its proper divisors (384031107).

523664253 is a wasteful number, since it uses less digits than its factorization.

523664253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2298 (or 2295 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 523664253 is about 22883.7115215168. The cubic root of 523664253 is about 806.0295729123.

The spelling of 523664253 in words is "five hundred twenty-three million, six hundred sixty-four thousand, two hundred fifty-three".