27174157 has 2 divisors, whose sum is σ = 27174158. Its totient is φ = 27174156.

The previous prime is 27174139. The next prime is 27174167. The reversal of 27174157 is 75147172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14600041 + 12574116 = 3821^2 + 3546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27174157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27174137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13587078 + 13587079.

It is an arithmetic number, because the mean of its divisors is an integer number (13587079).

Almost surely, 2^27174157 is an apocalyptic number.

It is an amenable number.

27174157 is a deficient number, since it is larger than the sum of its proper divisors (1).

27174157 is an equidigital number, since it uses as much as digits as its factorization.

27174157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13720, while the sum is 34.

The square root of 27174157 is about 5212.8837508619. The cubic root of 27174157 is about 300.6436440130.

The spelling of 27174157 in words is "twenty-seven million, one hundred seventy-four thousand, one hundred fifty-seven".