520254315 has 72 divisors (see below), whose sum is σ = 1110788640. Its totient is φ = 223824384.

The previous prime is 520254313. The next prime is 520254323. The reversal of 520254315 is 513452025.

It is a happy number.

It is not a de Polignac number, because 520254315 - 2¹ = 520254313 is a prime.

It is a super-2 number, since 2×520254315² = 541329104552238450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520254311) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 30546 + ... + 44424.

It is an arithmetic number, because the mean of its divisors is an integer number (15427620).

Almost surely, 2^520254315 is an apocalyptic number.

520254315 is an abundant number, since it is smaller than the sum of its proper divisors (590534325).

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

520254315 is a wasteful number, since it uses less digits than its factorization.

520254315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13921 (or 13911 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 520254315 is about 22809.0840456166. The cubic root of 520254315 is about 804.2762240538.

The spelling of 520254315 in words is "five hundred twenty million, two hundred fifty-four thousand, three hundred fifteen".