26513713 has 2 divisors, whose sum is σ = 26513714. Its totient is φ = 26513712.

The previous prime is 26513701. The next prime is 26513717. The reversal of 26513713 is 31731562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18173169 + 8340544 = 4263^2 + 2888^2 .

It is a cyclic number.

It is not a de Polignac number, because 26513713 - 2⁵ = 26513681 is a prime.

It is not a weakly prime, because it can be changed into another prime (26513717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13256856 + 13256857.

It is an arithmetic number, because the mean of its divisors is an integer number (13256857).

Almost surely, 2^26513713 is an apocalyptic number.

It is an amenable number.

26513713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26513713 is an equidigital number, since it uses as much as digits as its factorization.

26513713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 26513713 is about 5149.1468225328. The cubic root of 26513713 is about 298.1880147698.

The spelling of 26513713 in words is "twenty-six million, five hundred thirteen thousand, seven hundred thirteen".