27323897 has 2 divisors, whose sum is σ = 27323898. Its totient is φ = 27323896.

The previous prime is 27323861. The next prime is 27323929. The reversal of 27323897 is 79832372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24098281 + 3225616 = 4909^2 + 1796^2 .

It is a cyclic number.

It is not a de Polignac number, because 27323897 - 2¹⁴ = 27307513 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27323837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13661948 + 13661949.

It is an arithmetic number, because the mean of its divisors is an integer number (13661949).

Almost surely, 2^27323897 is an apocalyptic number.

It is an amenable number.

27323897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27323897 is an equidigital number, since it uses as much as digits as its factorization.

27323897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 127008, while the sum is 41.

The square root of 27323897 is about 5227.2265112581. The cubic root of 27323897 is about 301.1948532859.

The spelling of 27323897 in words is "twenty-seven million, three hundred twenty-three thousand, eight hundred ninety-seven".