80825025 has 24 divisors (see below), whose sum is σ = 134609440. Its totient is φ = 42791040.

The previous prime is 80824957. The next prime is 80825033. The reversal of 80825025 is 52052808.

It is not a de Polignac number, because 80825025 - 2¹³ = 80816833 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80824983 and 80825001.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 6549 + ... + 14301.

Almost surely, 2^80825025 is an apocalyptic number.

It is an amenable number.

80825025 is a deficient number, since it is larger than the sum of its proper divisors (53784415).

80825025 is a wasteful number, since it uses less digits than its factorization.

80825025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7905 (or 7900 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 80825025 is about 8990.2739112888. The cubic root of 80825025 is about 432.3630938700.

The spelling of 80825025 in words is "eighty million, eight hundred twenty-five thousand, twenty-five".