27425317 has 2 divisors, whose sum is σ = 27425318. Its totient is φ = 27425316.

The previous prime is 27425309. The next prime is 27425323. The reversal of 27425317 is 71352472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14508481 + 12916836 = 3809^2 + 3594^2 .

It is a cyclic number.

It is not a de Polignac number, because 27425317 - 2³ = 27425309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27405317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13712658 + 13712659.

It is an arithmetic number, because the mean of its divisors is an integer number (13712659).

Almost surely, 2^27425317 is an apocalyptic number.

It is an amenable number.

27425317 is a deficient number, since it is larger than the sum of its proper divisors (1).

27425317 is an equidigital number, since it uses as much as digits as its factorization.

27425317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11760, while the sum is 31.

The square root of 27425317 is about 5236.9186550872. The cubic root of 27425317 is about 301.5670484267.

Adding to 27425317 its reverse (71352472), we get a palindrome (98777789).

The spelling of 27425317 in words is "twenty-seven million, four hundred twenty-five thousand, three hundred seventeen".