5215520524 has 12 divisors (see below), whose sum is σ = 9165034648. Its totient is φ = 2596939200.

The previous prime is 5215520509. The next prime is 5215520561. The reversal of 5215520524 is 4250255125.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2704182 + ... + 2706109.

Almost surely, 2^5215520524 is an apocalyptic number.

It is an amenable number.

5215520524 is a deficient number, since it is larger than the sum of its proper divisors (3949514124).

5215520524 is a wasteful number, since it uses less digits than its factorization.

5215520524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5410536 (or 5410534 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 31.

The square root of 5215520524 is about 72218.5607998387. The cubic root of 5215520524 is about 1734.2001505497.

Adding to 5215520524 its reverse (4250255125), we get a palindrome (9465775649).

The spelling of 5215520524 in words is "five billion, two hundred fifteen million, five hundred twenty thousand, five hundred twenty-four".