520173242 has 16 divisors (see below), whose sum is σ = 852809472. Its totient is φ = 236890560.

The previous prime is 520173233. The next prime is 520173257. The reversal of 520173242 is 242371025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245708 + ... + 247815.

It is an arithmetic number, because the mean of its divisors is an integer number (53300592).

Almost surely, 2^520173242 is an apocalyptic number.

520173242 is a deficient number, since it is larger than the sum of its proper divisors (332636230).

520173242 is a wasteful number, since it uses less digits than its factorization.

520173242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493573.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 520173242 is about 22807.3067677883. The cubic root of 520173242 is about 804.2344441834.

The spelling of 520173242 in words is "five hundred twenty million, one hundred seventy-three thousand, two hundred forty-two".