520426524 has 12 divisors (see below), whose sum is σ = 1214328584. Its totient is φ = 173475504.

The previous prime is 520426477. The next prime is 520426531. The reversal of 520426524 is 425624025.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 520426491 and 520426500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21684427 + ... + 21684450.

Almost surely, 2^520426524 is an apocalyptic number.

It is an amenable number.

520426524 is an abundant number, since it is smaller than the sum of its proper divisors (693902060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520426524 is a wasteful number, since it uses less digits than its factorization.

520426524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43368884 (or 43368882 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 520426524 is about 22812.8587423847. The cubic root of 520426524 is about 804.3649552257.

The spelling of 520426524 in words is "five hundred twenty million, four hundred twenty-six thousand, five hundred twenty-four".