375540631 has 2 divisors, whose sum is σ = 375540632. Its totient is φ = 375540630.

The previous prime is 375540623. The next prime is 375540653. The reversal of 375540631 is 136045573.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 375540631 - 2³ = 375540623 is a prime.

It is a super-2 number, since 2×375540631² = 282061531063756322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (375540601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 187770315 + 187770316.

It is an arithmetic number, because the mean of its divisors is an integer number (187770316).

Almost surely, 2^375540631 is an apocalyptic number.

375540631 is a deficient number, since it is larger than the sum of its proper divisors (1).

375540631 is an equidigital number, since it uses as much as digits as its factorization.

375540631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 375540631 is about 19378.8707359330. The cubic root of 375540631 is about 721.4711631190.

The spelling of 375540631 in words is "three hundred seventy-five million, five hundred forty thousand, six hundred thirty-one".