80457313 has 4 divisors (see below), whose sum is σ = 81475840. Its totient is φ = 79438788.

The previous prime is 80457287. The next prime is 80457323. The reversal of 80457313 is 31375408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80457313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80457323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509145 + ... + 509302.

It is an arithmetic number, because the mean of its divisors is an integer number (20368960).

Almost surely, 2^80457313 is an apocalyptic number.

It is an amenable number.

80457313 is a deficient number, since it is larger than the sum of its proper divisors (1018527).

80457313 is a wasteful number, since it uses less digits than its factorization.

80457313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018526.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 80457313 is about 8969.8000535129. The cubic root of 80457313 is about 431.7064209763.

The spelling of 80457313 in words is "eighty million, four hundred fifty-seven thousand, three hundred thirteen".