520531026 has 32 divisors (see below), whose sum is σ = 1065102720. Its totient is φ = 169547904.

The previous prime is 520531021. The next prime is 520531027. The reversal of 520531026 is 620135025.

It is a super-2 number, since 2×520531026² = 541905098057225352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 520530987 and 520531005.

It is not an unprimeable number, because it can be changed into a prime (520531021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42291 + ... + 53193.

It is an arithmetic number, because the mean of its divisors is an integer number (33284460).

Almost surely, 2^520531026 is an apocalyptic number.

520531026 is an abundant number, since it is smaller than the sum of its proper divisors (544571694).

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

520531026 is a wasteful number, since it uses less digits than its factorization.

520531026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11090.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 520531026 is about 22815.1490461930. The cubic root of 520531026 is about 804.4187906325.

The spelling of 520531026 in words is "five hundred twenty million, five hundred thirty-one thousand, twenty-six".