27264157 has 2 divisors, whose sum is σ = 27264158. Its totient is φ = 27264156.

The previous prime is 27264151. The next prime is 27264173. The reversal of 27264157 is 75146272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23707161 + 3556996 = 4869^2 + 1886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27264157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27264151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13632078 + 13632079.

It is an arithmetic number, because the mean of its divisors is an integer number (13632079).

Almost surely, 2^27264157 is an apocalyptic number.

It is an amenable number.

27264157 is a deficient number, since it is larger than the sum of its proper divisors (1).

27264157 is an equidigital number, since it uses as much as digits as its factorization.

27264157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 27264157 is about 5221.5090730554. The cubic root of 27264157 is about 300.9751858662.

The spelling of 27264157 in words is "twenty-seven million, two hundred sixty-four thousand, one hundred fifty-seven".