520671155 has 16 divisors (see below), whose sum is σ = 696379680. Its totient is φ = 371400192.

The previous prime is 520671149. The next prime is 520671167. The reversal of 520671155 is 551176025.

It is a cyclic number.

It is not a de Polignac number, because 520671155 - 2⁴ = 520671139 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 159584 + ... + 162813.

It is an arithmetic number, because the mean of its divisors is an integer number (43523730).

Almost surely, 2^520671155 is an apocalyptic number.

520671155 is a deficient number, since it is larger than the sum of its proper divisors (175708525).

520671155 is a wasteful number, since it uses less digits than its factorization.

520671155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322438.

The product of its (nonzero) digits is 10500, while the sum is 32.

The square root of 520671155 is about 22818.2198034816. The cubic root of 520671155 is about 804.4909683904.

The spelling of 520671155 in words is "five hundred twenty million, six hundred seventy-one thousand, one hundred fifty-five".