456543631 has 2 divisors, whose sum is σ = 456543632. Its totient is φ = 456543630.

The previous prime is 456543559. The next prime is 456543667. The reversal of 456543631 is 136345654.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-456543631 is a prime.

It is a super-2 number, since 2×456543631² = 416864174013328322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456553631) 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, 228271815 + 228271816.

It is an arithmetic number, because the mean of its divisors is an integer number (228271816).

Almost surely, 2^456543631 is an apocalyptic number.

456543631 is a deficient number, since it is larger than the sum of its proper divisors (1).

456543631 is an equidigital number, since it uses as much as digits as its factorization.

456543631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 129600, while the sum is 37.

The square root of 456543631 is about 21366.8816395842. The cubic root of 456543631 is about 770.0059767906.

The spelling of 456543631 in words is "four hundred fifty-six million, five hundred forty-three thousand, six hundred thirty-one".