27394453 has 2 divisors, whose sum is σ = 27394454. Its totient is φ = 27394452.

The previous prime is 27394441. The next prime is 27394457. The reversal of 27394453 is 35449372.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 6436369 = 4578^2 + 2537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27394453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27394457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13697226 + 13697227.

It is an arithmetic number, because the mean of its divisors is an integer number (13697227).

Almost surely, 2^27394453 is an apocalyptic number.

It is an amenable number.

27394453 is a deficient number, since it is larger than the sum of its proper divisors (1).

27394453 is an equidigital number, since it uses as much as digits as its factorization.

27394453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90720, while the sum is 37.

The square root of 27394453 is about 5233.9710545627. The cubic root of 27394453 is about 301.4538797670.

The spelling of 27394453 in words is "twenty-seven million, three hundred ninety-four thousand, four hundred fifty-three".