80625025 has 12 divisors (see below), whose sum is σ = 107665852. Its totient is φ = 59538240.

The previous prime is 80625023. The next prime is 80625047. The reversal of 80625025 is 52052608.

It can be written as a sum of positive squares in 6 ways, for example, as 2178576 + 78446449 = 1476^2 + 8857^2 .

It is not a de Polignac number, because 80625025 - 2¹ = 80625023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80624984 and 80625002.

It is not an unprimeable number, because it can be changed into a prime (80625023) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 123714 + ... + 124363.

Almost surely, 2^80625025 is an apocalyptic number.

It is an amenable number.

80625025 is a deficient number, since it is larger than the sum of its proper divisors (27040827).

80625025 is a wasteful number, since it uses less digits than its factorization.

80625025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248100 (or 248095 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 80625025 is about 8979.1438901490. The cubic root of 80625025 is about 432.0061745374.

The spelling of 80625025 in words is "eighty million, six hundred twenty-five thousand, twenty-five".