27097951 has 2 divisors, whose sum is σ = 27097952. Its totient is φ = 27097950.

The previous prime is 27097927. The next prime is 27097957. The reversal of 27097951 is 15979072.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27097951 - 2²¹ = 25000799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27097957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13548975 + 13548976.

It is an arithmetic number, because the mean of its divisors is an integer number (13548976).

Almost surely, 2^27097951 is an apocalyptic number.

27097951 is a deficient number, since it is larger than the sum of its proper divisors (1).

27097951 is an equidigital number, since it uses as much as digits as its factorization.

27097951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 27097951 is about 5205.5692292006. The cubic root of 27097951 is about 300.3623436622.

The spelling of 27097951 in words is "twenty-seven million, ninety-seven thousand, nine hundred fifty-one".