505425198 has 32 divisors (see below), whose sum is σ = 1071525024. Its totient is φ = 158385152.

The previous prime is 505425149. The next prime is 505425203. The reversal of 505425198 is 891524505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109636 + ... + 114152.

It is an arithmetic number, because the mean of its divisors is an integer number (33485157).

Almost surely, 2^505425198 is an apocalyptic number.

505425198 is an abundant number, since it is smaller than the sum of its proper divisors (566099826).

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

505425198 is a wasteful number, since it uses less digits than its factorization.

505425198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5636.

The product of its (nonzero) digits is 72000, while the sum is 39.

The square root of 505425198 is about 22481.6635950278. The cubic root of 505425198 is about 796.5608605440.

The spelling of 505425198 in words is "five hundred five million, four hundred twenty-five thousand, one hundred ninety-eight".