520251051 has 8 divisors (see below), whose sum is σ = 734472144. Its totient is φ = 326432000.

The previous prime is 520251041. The next prime is 520251089. The reversal of 520251051 is 150152025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520251051 - 2⁵ = 520251019 is a prime.

It is a super-2 number, since 2×520251051² = 541322312133209202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520251041) 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, 5100450 + ... + 5100551.

It is an arithmetic number, because the mean of its divisors is an integer number (91809018).

Almost surely, 2^520251051 is an apocalyptic number.

520251051 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

520251051 is a deficient number, since it is larger than the sum of its proper divisors (214221093).

520251051 is a wasteful number, since it uses less digits than its factorization.

520251051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201021.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 520251051 is about 22809.0124950643. The cubic root of 520251051 is about 804.2745420796.

The spelling of 520251051 in words is "five hundred twenty million, two hundred fifty-one thousand, fifty-one".