27157651 has 2 divisors, whose sum is σ = 27157652. Its totient is φ = 27157650.

The previous prime is 27157597. The next prime is 27157657. The reversal of 27157651 is 15675172.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27157651 is a prime.

It is not a weakly prime, because it can be changed into another prime (27157657) 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, 13578825 + 13578826.

It is an arithmetic number, because the mean of its divisors is an integer number (13578826).

Almost surely, 2^27157651 is an apocalyptic number.

27157651 is a deficient number, since it is larger than the sum of its proper divisors (1).

27157651 is an equidigital number, since it uses as much as digits as its factorization.

27157651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14700, while the sum is 34.

The square root of 27157651 is about 5211.3003175791. The cubic root of 27157651 is about 300.5827598295.

The spelling of 27157651 in words is "twenty-seven million, one hundred fifty-seven thousand, six hundred fifty-one".