27025997 has 2 divisors, whose sum is σ = 27025998. Its totient is φ = 27025996.

The previous prime is 27025963. The next prime is 27026009. The reversal of 27025997 is 79952072.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19811401 + 7214596 = 4451^2 + 2686^2 .

It is a cyclic number.

It is not a de Polignac number, because 27025997 - 2⁸ = 27025741 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27025697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13512998 + 13512999.

It is an arithmetic number, because the mean of its divisors is an integer number (13512999).

Almost surely, 2^27025997 is an apocalyptic number.

It is an amenable number.

27025997 is a deficient number, since it is larger than the sum of its proper divisors (1).

27025997 is an equidigital number, since it uses as much as digits as its factorization.

27025997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 27025997 is about 5198.6533833292. The cubic root of 27025997 is about 300.0962542989.

The spelling of 27025997 in words is "twenty-seven million, twenty-five thousand, nine hundred ninety-seven".