520104255 has 16 divisors (see below), whose sum is σ = 907818624. Its totient is φ = 252171680.

The previous prime is 520104253. The next prime is 520104257. The reversal of 520104255 is 552401025.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (520104253) and next prime (520104257).

It is not a de Polignac number, because 520104255 - 2¹ = 520104253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520104253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1575909 + ... + 1576238.

It is an arithmetic number, because the mean of its divisors is an integer number (56738664).

Almost surely, 2^520104255 is an apocalyptic number.

520104255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

520104255 is a deficient number, since it is larger than the sum of its proper divisors (387714369).

520104255 is a wasteful number, since it uses less digits than its factorization.

520104255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3152166.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 520104255 is about 22805.7943295120. The cubic root of 520104255 is about 804.1988892503.

It can be divided in two parts, 52010 and 4255, that added together give a palindrome (56265).

The spelling of 520104255 in words is "five hundred twenty million, one hundred four thousand, two hundred fifty-five".