520081255 has 16 divisors (see below), whose sum is σ = 661457664. Its totient is φ = 391206400.

The previous prime is 520081241. The next prime is 520081271. The reversal of 520081255 is 552180025.

It is not a de Polignac number, because 520081255 - 2⁵ = 520081223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108234 + ... + 112936.

It is an arithmetic number, because the mean of its divisors is an integer number (41341104).

Almost surely, 2^520081255 is an apocalyptic number.

520081255 is a deficient number, since it is larger than the sum of its proper divisors (141376409).

520081255 is a wasteful number, since it uses less digits than its factorization.

520081255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6026.

The product of its (nonzero) digits is 4000, while the sum is 28.

The square root of 520081255 is about 22805.2900661228. The cubic root of 520081255 is about 804.1870346737.

The spelling of 520081255 in words is "five hundred twenty million, eighty-one thousand, two hundred fifty-five".