493310257 has 8 divisors (see below), whose sum is σ = 538319520. Its totient is φ = 448328160.

The previous prime is 493310239. The next prime is 493310263. The reversal of 493310257 is 752013394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493310257 is a prime.

It is a super-2 number, since 2×493310257² = 486710019322812098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (493310227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58638 + ... + 66520.

It is an arithmetic number, because the mean of its divisors is an integer number (67289940).

Almost surely, 2^493310257 is an apocalyptic number.

It is an amenable number.

493310257 is a deficient number, since it is larger than the sum of its proper divisors (45009263).

493310257 is a wasteful number, since it uses less digits than its factorization.

493310257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13583.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 493310257 is about 22210.5888485650. The cubic root of 493310257 is about 790.1448524644.

The spelling of 493310257 in words is "four hundred ninety-three million, three hundred ten thousand, two hundred fifty-seven".