520231115 has 8 divisors (see below), whose sum is σ = 657134160. Its totient is φ = 394280352.

The previous prime is 520231091. The next prime is 520231133. The reversal of 520231115 is 511132025.

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 not a de Polignac number, because 520231115 - 2⁶ = 520231051 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2737964 + ... + 2738153.

It is an arithmetic number, because the mean of its divisors is an integer number (82141770).

Almost surely, 2^520231115 is an apocalyptic number.

520231115 is a deficient number, since it is larger than the sum of its proper divisors (136903045).

520231115 is a wasteful number, since it uses less digits than its factorization.

520231115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5476141.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 520231115 is about 22808.5754706426. The cubic root of 520231115 is about 804.2642686920.

The spelling of 520231115 in words is "five hundred twenty million, two hundred thirty-one thousand, one hundred fifteen".