800988025 has 12 divisors (see below), whose sum is σ = 1020070252. Its totient is φ = 623471040.

The previous prime is 800988017. The next prime is 800988029. The reversal of 800988025 is 520889008.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 9072144 + 791915881 = 3012^2 + 28141^2 .

It is not a de Polignac number, because 800988025 - 2³ = 800988017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (800988029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 432042 + ... + 433891.

Almost surely, 2^800988025 is an apocalyptic number.

It is an amenable number.

800988025 is a deficient number, since it is larger than the sum of its proper divisors (219082227).

800988025 is a wasteful number, since it uses less digits than its factorization.

800988025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865980 (or 865975 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 800988025 is about 28301.7318374689. The cubic root of 800988025 is about 928.6997766516.

The spelling of 800988025 in words is "eight hundred million, nine hundred eighty-eight thousand, twenty-five".