27084931 has 2 divisors, whose sum is σ = 27084932. Its totient is φ = 27084930.

The previous prime is 27084929. The next prime is 27084943. The reversal of 27084931 is 13948072.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 27084931 - 2¹ = 27084929 is a prime.

It is a super-2 number, since 2×27084931² = 1467186974549522, which contains 22 as substring.

Together with 27084929, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (27084901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13542465 + 13542466.

It is an arithmetic number, because the mean of its divisors is an integer number (13542466).

Almost surely, 2^27084931 is an apocalyptic number.

27084931 is the 3292-nd centered pentagonal number.

27084931 is a deficient number, since it is larger than the sum of its proper divisors (1).

27084931 is an equidigital number, since it uses as much as digits as its factorization.

27084931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27084931 is about 5204.3184952499. The cubic root of 27084931 is about 300.3142300093.

The spelling of 27084931 in words is "twenty-seven million, eighty-four thousand, nine hundred thirty-one".