27263897 has 2 divisors, whose sum is σ = 27263898. Its totient is φ = 27263896.

The previous prime is 27263867. The next prime is 27263939. The reversal of 27263897 is 79836272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20394256 + 6869641 = 4516^2 + 2621^2 .

It is a cyclic number.

It is not a de Polignac number, because 27263897 - 2⁶ = 27263833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27263837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13631948 + 13631949.

It is an arithmetic number, because the mean of its divisors is an integer number (13631949).

Almost surely, 2^27263897 is an apocalyptic number.

It is an amenable number.

27263897 is a deficient number, since it is larger than the sum of its proper divisors (1).

27263897 is an equidigital number, since it uses as much as digits as its factorization.

27263897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 27263897 is about 5221.4841759791. The cubic root of 27263897 is about 300.9742291303.

The spelling of 27263897 in words is "twenty-seven million, two hundred sixty-three thousand, eight hundred ninety-seven".