27342257 has 2 divisors, whose sum is σ = 27342258. Its totient is φ = 27342256.

The previous prime is 27342251. The next prime is 27342283. The reversal of 27342257 is 75224372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21196816 + 6145441 = 4604^2 + 2479^2 .

It is a cyclic number.

It is not a de Polignac number, because 27342257 - 2⁴ = 27342241 is a prime.

It is not a weakly prime, because it can be changed into another prime (27342251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13671128 + 13671129.

It is an arithmetic number, because the mean of its divisors is an integer number (13671129).

Almost surely, 2^27342257 is an apocalyptic number.

It is an amenable number.

27342257 is a deficient number, since it is larger than the sum of its proper divisors (1).

27342257 is an equidigital number, since it uses as much as digits as its factorization.

27342257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23520, while the sum is 32.

The square root of 27342257 is about 5228.9824057841. The cubic root of 27342257 is about 301.2622997337.

The spelling of 27342257 in words is "twenty-seven million, three hundred forty-two thousand, two hundred fifty-seven".