520243051 has 16 divisors (see below), whose sum is σ = 542269728. Its totient is φ = 498700800.

The previous prime is 520243037. The next prime is 520243063. The reversal of 520243051 is 150342025.

It is not a de Polignac number, because 520243051 - 2⁷ = 520242923 is a prime.

It is a super-2 number, since 2×520243051² = 541305664227577202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520243091) 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, 877011 + ... + 877603.

It is an arithmetic number, because the mean of its divisors is an integer number (33891858).

Almost surely, 2^520243051 is an apocalyptic number.

520243051 is a deficient number, since it is larger than the sum of its proper divisors (22026677).

520243051 is a wasteful number, since it uses less digits than its factorization.

520243051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 520243051 is about 22808.8371251145. The cubic root of 520243051 is about 804.2704195639.

Adding to 520243051 its reverse (150342025), we get a palindrome (670585076).

The spelling of 520243051 in words is "five hundred twenty million, two hundred forty-three thousand, fifty-one".