27251713 has 2 divisors, whose sum is σ = 27251714. Its totient is φ = 27251712.

The previous prime is 27251701. The next prime is 27251737. The reversal of 27251713 is 31715272.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26956864 + 294849 = 5192^2 + 543^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27251713 is a prime.

It is a super-2 number, since 2×27251713² = 1485311722868738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27251813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13625856 + 13625857.

It is an arithmetic number, because the mean of its divisors is an integer number (13625857).

Almost surely, 2^27251713 is an apocalyptic number.

It is an amenable number.

27251713 is a deficient number, since it is larger than the sum of its proper divisors (1).

27251713 is an equidigital number, since it uses as much as digits as its factorization.

27251713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 28.

The square root of 27251713 is about 5220.3173275195. The cubic root of 27251713 is about 300.9293881891.

Adding to 27251713 its reverse (31715272), we get a palindrome (58966985).

The spelling of 27251713 in words is "twenty-seven million, two hundred fifty-one thousand, seven hundred thirteen".