27031057 has 2 divisors, whose sum is σ = 27031058. Its totient is φ = 27031056.

The previous prime is 27031051. The next prime is 27031079. The reversal of 27031057 is 75013072.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 3904576 = 4809^2 + 1976^2 .

It is a cyclic number.

It is not a de Polignac number, because 27031057 - 2¹⁵ = 26998289 is a prime.

It is not a weakly prime, because it can be changed into another prime (27031051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13515528 + 13515529.

It is an arithmetic number, because the mean of its divisors is an integer number (13515529).

Almost surely, 2^27031057 is an apocalyptic number.

It is an amenable number.

27031057 is a deficient number, since it is larger than the sum of its proper divisors (1).

27031057 is an equidigital number, since it uses as much as digits as its factorization.

27031057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 27031057 is about 5199.1400250426. The cubic root of 27031057 is about 300.1149818509.

The spelling of 27031057 in words is "twenty-seven million, thirty-one thousand, fifty-seven".