27079531 has 2 divisors, whose sum is σ = 27079532. Its totient is φ = 27079530.

The previous prime is 27079499. The next prime is 27079537. The reversal of 27079531 is 13597072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27079531 - 2⁵ = 27079499 is a prime.

It is a super-2 number, since 2×27079531² = 1466601998359922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27079537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13539765 + 13539766.

It is an arithmetic number, because the mean of its divisors is an integer number (13539766).

Almost surely, 2^27079531 is an apocalyptic number.

27079531 is a deficient number, since it is larger than the sum of its proper divisors (1).

27079531 is an equidigital number, since it uses as much as digits as its factorization.

27079531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 27079531 is about 5203.7996694723. The cubic root of 27079531 is about 300.2942705144.

The spelling of 27079531 in words is "twenty-seven million, seventy-nine thousand, five hundred thirty-one".