494672231 has 2 divisors, whose sum is σ = 494672232. Its totient is φ = 494672230.

The previous prime is 494672219. The next prime is 494672249. The reversal of 494672231 is 132276494.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-494672231 is a prime.

It is a super-2 number, since 2×494672231² = 489401232245034722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494672131) 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 as a sum of consecutive naturals, namely, 247336115 + 247336116.

It is an arithmetic number, because the mean of its divisors is an integer number (247336116).

Almost surely, 2^494672231 is an apocalyptic number.

494672231 is a deficient number, since it is larger than the sum of its proper divisors (1).

494672231 is an equidigital number, since it uses as much as digits as its factorization.

494672231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 38.

The square root of 494672231 is about 22241.2281810155. The cubic root of 494672231 is about 790.8713512305.

It can be divided in two parts, 4946 and 72231, that added together give a palindrome (77177).

The spelling of 494672231 in words is "four hundred ninety-four million, six hundred seventy-two thousand, two hundred thirty-one".