493288931 has 2 divisors, whose sum is σ = 493288932. Its totient is φ = 493288930.

The previous prime is 493288919. The next prime is 493288937. The reversal of 493288931 is 139882394.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493288931 - 2⁶ = 493288867 is a prime.

It is a super-2 number, since 2×493288931² = 486667938894245522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493288937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246644465 + 246644466.

It is an arithmetic number, because the mean of its divisors is an integer number (246644466).

Almost surely, 2^493288931 is an apocalyptic number.

493288931 is a deficient number, since it is larger than the sum of its proper divisors (1).

493288931 is an equidigital number, since it uses as much as digits as its factorization.

493288931 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 47.

The square root of 493288931 is about 22210.1087570502. The cubic root of 493288931 is about 790.1334662075.

The spelling of 493288931 in words is "four hundred ninety-three million, two hundred eighty-eight thousand, nine hundred thirty-one".