912631 has 2 divisors, whose sum is σ = 912632. Its totient is φ = 912630.

The previous prime is 912581. The next prime is 912647. The reversal of 912631 is 136219.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 912631 - 2¹¹ = 910583 is a prime.

It is a super-2 number, since 2×912631² = 1665790684322, 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 (912031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 456315 + 456316.

It is an arithmetic number, because the mean of its divisors is an integer number (456316).

2⁹¹²⁶³¹ is an apocalyptic number.

912631 is a deficient number, since it is larger than the sum of its proper divisors (1).

912631 is an equidigital number, since it uses as much as digits as its factorization.

912631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 22.

The square root of 912631 is about 955.3172248002. The cubic root of 912631 is about 96.9985120401.

The spelling of 912631 in words is "nine hundred twelve thousand, six hundred thirty-one".