505525008 has 20 divisors (see below), whose sum is σ = 1305939728. Its totient is φ = 168508320.

The previous prime is 505524989. The next prime is 505525021. The reversal of 505525008 is 800525505.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5265838 + ... + 5265933.

Almost surely, 2^505525008 is an apocalyptic number.

It is an amenable number.

505525008 is an abundant number, since it is smaller than the sum of its proper divisors (800414720).

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

505525008 is a wasteful number, since it uses less digits than its factorization.

505525008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10531782 (or 10531776 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The square root of 505525008 is about 22483.8832944845. The cubic root of 505525008 is about 796.6132913204.

The spelling of 505525008 in words is "five hundred five million, five hundred twenty-five thousand, eight".