520286315 has 4 divisors (see below), whose sum is σ = 624343584. Its totient is φ = 416229048.

The previous prime is 520286297. The next prime is 520286317. The reversal of 520286315 is 513682025.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 520286315 - 2¹⁰ = 520285291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520286317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52028627 + ... + 52028636.

It is an arithmetic number, because the mean of its divisors is an integer number (156085896).

Almost surely, 2^520286315 is an apocalyptic number.

520286315 is a deficient number, since it is larger than the sum of its proper divisors (104057269).

520286315 is a wasteful number, since it uses less digits than its factorization.

520286315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104057268.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 520286315 is about 22809.7855097324. The cubic root of 520286315 is about 804.2927136249.

The spelling of 520286315 in words is "five hundred twenty million, two hundred eighty-six thousand, three hundred fifteen".