490452631 has 2 divisors, whose sum is σ = 490452632. Its totient is φ = 490452630.

The previous prime is 490452563. The next prime is 490452653. The reversal of 490452631 is 136254094.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 490452631 - 2⁷ = 490452503 is a prime.

It is a super-2 number, since 2×490452631² = 481087566509644322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (490452671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245226315 + 245226316.

It is an arithmetic number, because the mean of its divisors is an integer number (245226316).

Almost surely, 2^490452631 is an apocalyptic number.

490452631 is a deficient number, since it is larger than the sum of its proper divisors (1).

490452631 is an equidigital number, since it uses as much as digits as its factorization.

490452631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 490452631 is about 22146.1651533623. The cubic root of 490452631 is about 788.6161914624.

The spelling of 490452631 in words is "four hundred ninety million, four hundred fifty-two thousand, six hundred thirty-one".