27142901 has 2 divisors, whose sum is σ = 27142902. Its totient is φ = 27142900.

The previous prime is 27142873. The next prime is 27142903. The reversal of 27142901 is 10924172.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21022225 + 6120676 = 4585^2 + 2474^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27142901 is a prime.

Together with 27142903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27142903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13571450 + 13571451.

It is an arithmetic number, because the mean of its divisors is an integer number (13571451).

Almost surely, 2^27142901 is an apocalyptic number.

It is an amenable number.

27142901 is a deficient number, since it is larger than the sum of its proper divisors (1).

27142901 is an equidigital number, since it uses as much as digits as its factorization.

27142901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 27142901 is about 5209.8849315508. The cubic root of 27142901 is about 300.5283319679.

The spelling of 27142901 in words is "twenty-seven million, one hundred forty-two thousand, nine hundred one".