520267315 has 4 divisors (see below), whose sum is σ = 624320784. Its totient is φ = 416213848.

The previous prime is 520267313. The next prime is 520267333. The reversal of 520267315 is 513762025.

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 520267315 - 2¹ = 520267313 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520267313) 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, 52026727 + ... + 52026736.

It is an arithmetic number, because the mean of its divisors is an integer number (156080196).

Almost surely, 2^520267315 is an apocalyptic number.

520267315 is a deficient number, since it is larger than the sum of its proper divisors (104053469).

520267315 is a wasteful number, since it uses less digits than its factorization.

520267315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104053468.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 520267315 is about 22809.3690180154. The cubic root of 520267315 is about 804.2829230236.

The spelling of 520267315 in words is "five hundred twenty million, two hundred sixty-seven thousand, three hundred fifteen".