27297419 has 2 divisors, whose sum is σ = 27297420. Its totient is φ = 27297418.

The previous prime is 27297383. The next prime is 27297421. The reversal of 27297419 is 91479272.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 27297419 - 2²⁰ = 26248843 is a prime.

It is a super-2 number, since 2×27297419² = 1490298168123122, which contains 22 as substring.

Together with 27297421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (27297719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13648709 + 13648710.

It is an arithmetic number, because the mean of its divisors is an integer number (13648710).

Almost surely, 2^27297419 is an apocalyptic number.

27297419 is a deficient number, since it is larger than the sum of its proper divisors (1).

27297419 is an equidigital number, since it uses as much as digits as its factorization.

27297419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63504, while the sum is 41.

The square root of 27297419 is about 5224.6931967341. The cubic root of 27297419 is about 301.0975317025.

The spelling of 27297419 in words is "twenty-seven million, two hundred ninety-seven thousand, four hundred nineteen".