520225188 has 24 divisors (see below), whose sum is σ = 1387267392. Its totient is φ = 148635744.

The previous prime is 520225183. The next prime is 520225193. The reversal of 520225188 is 881522025.

It is an interprime number because it is at equal distance from previous prime (520225183) and next prime (520225193).

It is not an unprimeable number, because it can be changed into a prime (520225183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3096495 + ... + 3096662.

It is an arithmetic number, because the mean of its divisors is an integer number (57802808).

Almost surely, 2^520225188 is an apocalyptic number.

It is an amenable number.

520225188 is an abundant number, since it is smaller than the sum of its proper divisors (867042204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520225188 is a wasteful number, since it uses less digits than its factorization.

520225188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6193171 (or 6193169 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 33.

The square root of 520225188 is about 22808.4455410710. The cubic root of 520225188 is about 804.2612143492.

The spelling of 520225188 in words is "five hundred twenty million, two hundred twenty-five thousand, one hundred eighty-eight".