912540631 has 2 divisors, whose sum is σ = 912540632. Its totient is φ = 912540630.

The previous prime is 912540623. The next prime is 912540647. The reversal of 912540631 is 136045219.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 912540631 - 2³ = 912540623 is a prime.

It is a super-2 number, since 2×912540631² = 1665460806451756322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 912540593 and 912540602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (912541631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456270315 + 456270316.

It is an arithmetic number, because the mean of its divisors is an integer number (456270316).

Almost surely, 2^912540631 is an apocalyptic number.

912540631 is a deficient number, since it is larger than the sum of its proper divisors (1).

912540631 is an equidigital number, since it uses as much as digits as its factorization.

912540631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 912540631 is about 30208.2874555973. The cubic root of 912540631 is about 969.9531032700.

The spelling of 912540631 in words is "nine hundred twelve million, five hundred forty thousand, six hundred thirty-one".