520274530 has 16 divisors (see below), whose sum is σ = 985783680. Its totient is φ = 197156592.

The previous prime is 520274507. The next prime is 520274609. The reversal of 520274530 is 35472025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1368954 + ... + 1369333.

It is an arithmetic number, because the mean of its divisors is an integer number (61611480).

Almost surely, 2^520274530 is an apocalyptic number.

520274530 is a deficient number, since it is larger than the sum of its proper divisors (465509150).

520274530 is a wasteful number, since it uses less digits than its factorization.

520274530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2738313.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 520274530 is about 22809.5271761604. The cubic root of 520274530 is about 804.2866409037.

The spelling of 520274530 in words is "five hundred twenty million, two hundred seventy-four thousand, five hundred thirty".