80431524 has 18 divisors (see below), whose sum is σ = 203313110. Its totient is φ = 26810496.

The previous prime is 80431517. The next prime is 80431531. The reversal of 80431524 is 42513408.

It is an interprime number because it is at equal distance from previous prime (80431517) and next prime (80431531).

It can be written as a sum of positive squares in only one way, i.e., 58247424 + 22184100 = 7632^2 + 4710^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1117069 + ... + 1117140.

Almost surely, 2^80431524 is an apocalyptic number.

It is an amenable number.

80431524 is an abundant number, since it is smaller than the sum of its proper divisors (122881586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80431524 is a wasteful number, since it uses less digits than its factorization.

80431524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2234219 (or 2234214 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 80431524 is about 8968.3623923211. The cubic root of 80431524 is about 431.6602910630.

The spelling of 80431524 in words is "eighty million, four hundred thirty-one thousand, five hundred twenty-four".