26299913 has 2 divisors, whose sum is σ = 26299914. Its totient is φ = 26299912.

The previous prime is 26299907. The next prime is 26299921. The reversal of 26299913 is 31999262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18386944 + 7912969 = 4288^2 + 2813^2 .

It is a cyclic number.

It is not a de Polignac number, because 26299913 - 2⁸ = 26299657 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26299313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13149956 + 13149957.

It is an arithmetic number, because the mean of its divisors is an integer number (13149957).

Almost surely, 2^26299913 is an apocalyptic number.

It is an amenable number.

26299913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26299913 is an equidigital number, since it uses as much as digits as its factorization.

26299913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 41.

The square root of 26299913 is about 5128.3440797201. The cubic root of 26299913 is about 297.3843459778.

The spelling of 26299913 in words is "twenty-six million, two hundred ninety-nine thousand, nine hundred thirteen".