520772339 has 8 divisors (see below), whose sum is σ = 557092368. Its totient is φ = 485084160.

The previous prime is 520772327. The next prime is 520772347. The reversal of 520772339 is 933277025.

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 520772339 - 2²⁴ = 503995123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520772359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 156257 + ... + 159554.

It is an arithmetic number, because the mean of its divisors is an integer number (69636546).

Almost surely, 2^520772339 is an apocalyptic number.

520772339 is a deficient number, since it is larger than the sum of its proper divisors (36320029).

520772339 is a wasteful number, since it uses less digits than its factorization.

520772339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315925.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 520772339 is about 22820.4368713660. The cubic root of 520772339 is about 804.5430782752.

The spelling of 520772339 in words is "five hundred twenty million, seven hundred seventy-two thousand, three hundred thirty-nine".