26265013 has 2 divisors, whose sum is σ = 26265014. Its totient is φ = 26265012.

The previous prime is 26264999. The next prime is 26265059. The reversal of 26265013 is 31056262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20775364 + 5489649 = 4558^2 + 2343^2 .

It is a cyclic number.

It is not a de Polignac number, because 26265013 - 2⁹ = 26264501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26265313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13132506 + 13132507.

It is an arithmetic number, because the mean of its divisors is an integer number (13132507).

Almost surely, 2^26265013 is an apocalyptic number.

It is an amenable number.

26265013 is a deficient number, since it is larger than the sum of its proper divisors (1).

26265013 is an equidigital number, since it uses as much as digits as its factorization.

26265013 is an evil number, because the sum of its binary digits is even.

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

The square root of 26265013 is about 5124.9402923351. The cubic root of 26265013 is about 297.2527446817.

The spelling of 26265013 in words is "twenty-six million, two hundred sixty-five thousand, thirteen".