27040631 has 2 divisors, whose sum is σ = 27040632. Its totient is φ = 27040630.

The previous prime is 27040579. The next prime is 27040661. The reversal of 27040631 is 13604072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27040631 - 2⁶ = 27040567 is a prime.

It is a super-2 number, since 2×27040631² = 1462391449756322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 27040597 and 27040606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27040661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13520315 + 13520316.

It is an arithmetic number, because the mean of its divisors is an integer number (13520316).

Almost surely, 2^27040631 is an apocalyptic number.

27040631 is a deficient number, since it is larger than the sum of its proper divisors (1).

27040631 is an equidigital number, since it uses as much as digits as its factorization.

27040631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 27040631 is about 5200.0606727230. The cubic root of 27040631 is about 300.1504097623.

The spelling of 27040631 in words is "twenty-seven million, forty thousand, six hundred thirty-one".