80531925 has 24 divisors (see below), whose sum is σ = 134381280. Its totient is φ = 42552000.

The previous prime is 80531897. The next prime is 80531939. The reversal of 80531925 is 52913508.

It is a de Polignac number, because none of the positive numbers 2^k-80531925 is a prime.

It is a super-3 number, since 3×80531925³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3250 + ... + 13100.

It is an arithmetic number, because the mean of its divisors is an integer number (5599220).

Almost surely, 2^80531925 is an apocalyptic number.

It is an amenable number.

80531925 is a deficient number, since it is larger than the sum of its proper divisors (53849355).

80531925 is a wasteful number, since it uses less digits than its factorization.

80531925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9973 (or 9968 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 80531925 is about 8973.9581568002. The cubic root of 80531925 is about 431.8398272370.

The spelling of 80531925 in words is "eighty million, five hundred thirty-one thousand, nine hundred twenty-five".