80520325 has 12 divisors (see below), whose sum is σ = 102544900. Its totient is φ = 62674560.

The previous prime is 80520317. The next prime is 80520367. The reversal of 80520325 is 52302508.

It can be written as a sum of positive squares in 6 ways, for example, as 1985281 + 78535044 = 1409^2 + 8862^2 .

It is not a de Polignac number, because 80520325 - 2³ = 80520317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 80520325.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 42600 + ... + 44449.

Almost surely, 2^80520325 is an apocalyptic number.

It is an amenable number.

80520325 is a deficient number, since it is larger than the sum of its proper divisors (22024575).

80520325 is a wasteful number, since it uses less digits than its factorization.

80520325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87096 (or 87091 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 80520325 is about 8973.3118189440. The cubic root of 80520325 is about 431.8190918473.

The spelling of 80520325 in words is "eighty million, five hundred twenty thousand, three hundred twenty-five".