27402097 has 2 divisors, whose sum is σ = 27402098. Its totient is φ = 27402096.

The previous prime is 27402073. The next prime is 27402103. The reversal of 27402097 is 79020472.

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., 22667121 + 4734976 = 4761^2 + 2176^2 .

It is a cyclic number.

It is not a de Polignac number, because 27402097 - 2¹¹ = 27400049 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27402797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13701048 + 13701049.

It is an arithmetic number, because the mean of its divisors is an integer number (13701049).

Almost surely, 2^27402097 is an apocalyptic number.

It is an amenable number.

27402097 is a deficient number, since it is larger than the sum of its proper divisors (1).

27402097 is an equidigital number, since it uses as much as digits as its factorization.

27402097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 31.

The square root of 27402097 is about 5234.7012331173. The cubic root of 27402097 is about 301.4819158462.

The spelling of 27402097 in words is "twenty-seven million, four hundred two thousand, ninety-seven".