27454897 has 2 divisors, whose sum is σ = 27454898. Its totient is φ = 27454896.

The previous prime is 27454891. The next prime is 27454907. The reversal of 27454897 is 79845472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27050401 + 404496 = 5201^2 + 636^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27454897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27454891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13727448 + 13727449.

It is an arithmetic number, because the mean of its divisors is an integer number (13727449).

Almost surely, 2^27454897 is an apocalyptic number.

It is an amenable number.

27454897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27454897 is an equidigital number, since it uses as much as digits as its factorization.

27454897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 27454897 is about 5239.7420738048. The cubic root of 27454897 is about 301.6754294061.

The spelling of 27454897 in words is "twenty-seven million, four hundred fifty-four thousand, eight hundred ninety-seven".