80900625 has 40 divisors (see below), whose sum is σ = 145203520. Its totient is φ = 39816000.

The previous prime is 80900551. The next prime is 80900627. The reversal of 80900625 is 52600908.

It is not a de Polignac number, because 80900625 - 2¹³ = 80892433 is a prime.

It is a super-2 number, since 2×80900625² = 13089822250781250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80900592 and 80900601.

It is not an unprimeable number, because it can be changed into a prime (80900627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 22716 + ... + 26034.

It is an arithmetic number, because the mean of its divisors is an integer number (3630088).

Almost surely, 2^80900625 is an apocalyptic number.

It is an amenable number.

80900625 is a deficient number, since it is larger than the sum of its proper divisors (64302895).

80900625 is a wasteful number, since it uses less digits than its factorization.

80900625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 80900625 is about 8994.4774723160. The cubic root of 80900625 is about 432.4978560264.

The spelling of 80900625 in words is "eighty million, nine hundred thousand, six hundred twenty-five".