80457431 has 4 divisors (see below), whose sum is σ = 83052864. Its totient is φ = 77862000.

The previous prime is 80457409. The next prime is 80457437. The reversal of 80457431 is 13475408.

80457431 = 1596² + 1597² + ... + 1626².

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80457431 - 2⁶ = 80457367 is a prime.

It is a super-2 number, since 2×80457431² = 12946796406239522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80457437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297670 + ... + 1297731.

It is an arithmetic number, because the mean of its divisors is an integer number (20763216).

Almost surely, 2^80457431 is an apocalyptic number.

80457431 is a deficient number, since it is larger than the sum of its proper divisors (2595433).

80457431 is a wasteful number, since it uses less digits than its factorization.

80457431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595432.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 80457431 is about 8969.8066311376. The cubic root of 80457431 is about 431.7066320254.

The spelling of 80457431 in words is "eighty million, four hundred fifty-seven thousand, four hundred thirty-one".