80815325 has 24 divisors (see below), whose sum is σ = 103445760. Its totient is φ = 62596800.

The previous prime is 80815271. The next prime is 80815337. The reversal of 80815325 is 52351808.

It is a happy number.

It is not a de Polignac number, because 80815325 - 2⁸ = 80815069 is a prime.

It is a super-2 number, since 2×80815325² = 13062233509711250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80815291 and 80815300.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 127760 + ... + 128390.

It is an arithmetic number, because the mean of its divisors is an integer number (4310240).

Almost surely, 2^80815325 is an apocalyptic number.

It is an amenable number.

80815325 is a deficient number, since it is larger than the sum of its proper divisors (22630435).

80815325 is a wasteful number, since it uses less digits than its factorization.

80815325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 80815325 is about 8989.7344232185. The cubic root of 80815325 is about 432.3457968765.

The spelling of 80815325 in words is "eighty million, eight hundred fifteen thousand, three hundred twenty-five".