27089453 has 2 divisors, whose sum is σ = 27089454. Its totient is φ = 27089452.

The previous prime is 27089407. The next prime is 27089467. The reversal of 27089453 is 35498072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14115049 + 12974404 = 3757^2 + 3602^2 .

It is a cyclic number.

It is not a de Polignac number, because 27089453 - 2⁶ = 27089389 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27089473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13544726 + 13544727.

It is an arithmetic number, because the mean of its divisors is an integer number (13544727).

Almost surely, 2^27089453 is an apocalyptic number.

It is an amenable number.

27089453 is a deficient number, since it is larger than the sum of its proper divisors (1).

27089453 is an equidigital number, since it uses as much as digits as its factorization.

27089453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 27089453 is about 5204.7529240109. The cubic root of 27089453 is about 300.3309421974.

The spelling of 27089453 in words is "twenty-seven million, eighty-nine thousand, four hundred fifty-three".