26315413 has 2 divisors, whose sum is σ = 26315414. Its totient is φ = 26315412.

The previous prime is 26315363. The next prime is 26315423. The reversal of 26315413 is 31451362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18464209 + 7851204 = 4297^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 26315413 - 2¹³ = 26307221 is a prime.

It is a super-2 number, since 2×26315413² = 1385001922721138, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26315423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13157706 + 13157707.

It is an arithmetic number, because the mean of its divisors is an integer number (13157707).

Almost surely, 2^26315413 is an apocalyptic number.

It is an amenable number.

26315413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26315413 is an equidigital number, since it uses as much as digits as its factorization.

26315413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 25.

The square root of 26315413 is about 5129.8550661788. The cubic root of 26315413 is about 297.4427562106.

Adding to 26315413 its reverse (31451362), we get a palindrome (57766775).

The spelling of 26315413 in words is "twenty-six million, three hundred fifteen thousand, four hundred thirteen".