425000008 has 8 divisors (see below), whose sum is σ = 796875030. Its totient is φ = 212500000.

The previous prime is 424999969. The next prime is 425000033. The reversal of 425000008 is 800000524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 402323364 + 22676644 = 20058^2 + 4762^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (19) 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 as a sum of consecutive naturals, namely, 26562493 + ... + 26562508.

Almost surely, 2^425000008 is an apocalyptic number.

It is an amenable number.

425000008 is a deficient number, since it is larger than the sum of its proper divisors (371875022).

425000008 is a wasteful number, since it uses less digits than its factorization.

425000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53125007 (or 53125003 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 425000008 is about 20615.5283221168. The cubic root of 425000008 is about 751.8473028200.

The spelling of 425000008 in words is "four hundred twenty-five million, eight", and thus it is an aban number.