520244051 has 8 divisors (see below), whose sum is σ = 536224608. Its totient is φ = 504504000.

The previous prime is 520244041. The next prime is 520244069. The reversal of 520244051 is 150442025.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520244051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520244041) 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, 55730 + ... + 64391.

It is an arithmetic number, because the mean of its divisors is an integer number (67028076).

Almost surely, 2^520244051 is an apocalyptic number.

520244051 is a deficient number, since it is larger than the sum of its proper divisors (15980557).

520244051 is a wasteful number, since it uses less digits than its factorization.

520244051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120253.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 520244051 is about 22808.8590464319. The cubic root of 520244051 is about 804.2709348807.

Adding to 520244051 its reverse (150442025), we get a palindrome (670686076).

The spelling of 520244051 in words is "five hundred twenty million, two hundred forty-four thousand, fifty-one".