27954931 has 2 divisors, whose sum is σ = 27954932. Its totient is φ = 27954930.

The previous prime is 27954917. The next prime is 27954937. The reversal of 27954931 is 13945972.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27954931 - 2¹⁹ = 27430643 is a prime.

It is a super-2 number, since 2×27954931² = 1562956334429522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27954937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13977465 + 13977466.

It is an arithmetic number, because the mean of its divisors is an integer number (13977466).

Almost surely, 2^27954931 is an apocalyptic number.

27954931 is a deficient number, since it is larger than the sum of its proper divisors (1).

27954931 is an equidigital number, since it uses as much as digits as its factorization.

27954931 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 40.

The square root of 27954931 is about 5287.2422868637. The cubic root of 27954931 is about 303.4958858516.

The spelling of 27954931 in words is "twenty-seven million, nine hundred fifty-four thousand, nine hundred thirty-one".