452668631 has 2 divisors, whose sum is σ = 452668632. Its totient is φ = 452668630.

The previous prime is 452668561. The next prime is 452668661. The reversal of 452668631 is 136866254.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452668631 is a prime.

It is a super-2 number, since 2×452668631² = 409817778982828322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452668661) 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, 226334315 + 226334316.

It is an arithmetic number, because the mean of its divisors is an integer number (226334316).

Almost surely, 2^452668631 is an apocalyptic number.

452668631 is a deficient number, since it is larger than the sum of its proper divisors (1).

452668631 is an equidigital number, since it uses as much as digits as its factorization.

452668631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 452668631 is about 21276.0106927967. The cubic root of 452668631 is about 767.8212604652.

The spelling of 452668631 in words is "four hundred fifty-two million, six hundred sixty-eight thousand, six hundred thirty-one".