80085025 has 12 divisors (see below), whose sum is σ = 100219900. Its totient is φ = 63478080.

The previous prime is 80084999. The next prime is 80085029. The reversal of 80085025 is 52058008.

It can be written as a sum of positive squares in 6 ways, for example, as 1868689 + 78216336 = 1367^2 + 8844^2 .

It is not a de Polignac number, because 80085025 - 2⁵ = 80084993 is a prime.

It is a super-2 number, since 2×80085025² = 12827222458501250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80084984 and 80085002.

It is not an unprimeable number, because it can be changed into a prime (80085029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11970 + ... + 17419.

Almost surely, 2^80085025 is an apocalyptic number.

It is an amenable number.

80085025 is a deficient number, since it is larger than the sum of its proper divisors (20134875).

80085025 is a wasteful number, since it uses less digits than its factorization.

80085025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29508 (or 29503 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 80085025 is about 8949.0236897664. The cubic root of 80085025 is about 431.0395346332.

The spelling of 80085025 in words is "eighty million, eighty-five thousand, twenty-five".