26507713 has 2 divisors, whose sum is σ = 26507714. Its totient is φ = 26507712.

The previous prime is 26507683. The next prime is 26507731. The reversal of 26507713 is 31770562.

Together with next prime (26507731) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23590449 + 2917264 = 4857^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 26507713 - 2¹³ = 26499521 is a prime.

It is not a weakly prime, because it can be changed into another prime (26507773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13253856 + 13253857.

It is an arithmetic number, because the mean of its divisors is an integer number (13253857).

Almost surely, 2^26507713 is an apocalyptic number.

It is an amenable number.

26507713 is a deficient number, since it is larger than the sum of its proper divisors (1).

26507713 is an equidigital number, since it uses as much as digits as its factorization.

26507713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 26507713 is about 5148.5641687756. The cubic root of 26507713 is about 298.1655199566.

The spelling of 26507713 in words is "twenty-six million, five hundred seven thousand, seven hundred thirteen".