27115057 has 2 divisors, whose sum is σ = 27115058. Its totient is φ = 27115056.

The previous prime is 27115031. The next prime is 27115093. The reversal of 27115057 is 75051172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19927296 + 7187761 = 4464^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 27115057 - 2⁷ = 27114929 is a prime.

It is a super-2 number, since 2×27115057² = 1470452632226498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27115027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13557528 + 13557529.

It is an arithmetic number, because the mean of its divisors is an integer number (13557529).

Almost surely, 2^27115057 is an apocalyptic number.

It is an amenable number.

27115057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27115057 is an equidigital number, since it uses as much as digits as its factorization.

27115057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2450, while the sum is 28.

The square root of 27115057 is about 5207.2120179612. The cubic root of 27115057 is about 300.4255331568.

The spelling of 27115057 in words is "twenty-seven million, one hundred fifteen thousand, fifty-seven".