5264263521 has 32 divisors (see below), whose sum is σ = 8592186240. Its totient is φ = 3158856000.

The previous prime is 5264263471. The next prime is 5264263559. The reversal of 5264263521 is 1253624625.

5264263521 is a `hidden beast` number, since 5 + 2 + 642 + 6 + 3 + 5 + 2 + 1 = 666.

It is not a de Polignac number, because 5264263521 - 2⁶ = 5264263457 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (5264263421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57750 + ... + 117743.

It is an arithmetic number, because the mean of its divisors is an integer number (268505820).

Almost surely, 2^5264263521 is an apocalyptic number.

It is an amenable number.

5264263521 is a deficient number, since it is larger than the sum of its proper divisors (3327922719).

5264263521 is a wasteful number, since it uses less digits than its factorization.

5264263521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175614 (or 175608 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 5264263521 is about 72555.2446140181. The cubic root of 5264263521 is about 1739.5858794494.

The spelling of 5264263521 in words is "five billion, two hundred sixty-four million, two hundred sixty-three thousand, five hundred twenty-one".