520384254 has 16 divisors (see below), whose sum is σ = 1120827792. Its totient is φ = 160118208.

The previous prime is 520384253. The next prime is 520384283. The reversal of 520384254 is 452483025.

It is a super-2 number, since 2×520384254² = 541599543622273032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520384253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335719 + ... + 3335874.

It is an arithmetic number, because the mean of its divisors is an integer number (70051737).

Almost surely, 2^520384254 is an apocalyptic number.

520384254 is an abundant number, since it is smaller than the sum of its proper divisors (600443538).

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

520384254 is a wasteful number, since it uses less digits than its factorization.

520384254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6671611.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 520384254 is about 22811.9322723876. The cubic root of 520384254 is about 804.3431773021.

The spelling of 520384254 in words is "five hundred twenty million, three hundred eighty-four thousand, two hundred fifty-four".