26049913 has 2 divisors, whose sum is σ = 26049914. Its totient is φ = 26049912.

The previous prime is 26049853. The next prime is 26049941. The reversal of 26049913 is 31994062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 769129 = 5028^2 + 877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26049913 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (26049943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13024956 + 13024957.

It is an arithmetic number, because the mean of its divisors is an integer number (13024957).

Almost surely, 2^26049913 is an apocalyptic number.

It is an amenable number.

26049913 is a deficient number, since it is larger than the sum of its proper divisors (1).

26049913 is an equidigital number, since it uses as much as digits as its factorization.

26049913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 26049913 is about 5103.9115392021. The cubic root of 26049913 is about 296.4390588220.

It can be divided in two parts, 26049 and 913, that added together give a palindrome (26962).

The spelling of 26049913 in words is "twenty-six million, forty-nine thousand, nine hundred thirteen".