26124613 has 2 divisors, whose sum is σ = 26124614. Its totient is φ = 26124612.

The previous prime is 26124587. The next prime is 26124629. The reversal of 26124613 is 31642162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20958084 + 5166529 = 4578^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 26124613 - 2⁹ = 26124101 is a prime.

It is equal to p_1631824 and since 26124613 and 1631824 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26154613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13062306 + 13062307.

It is an arithmetic number, because the mean of its divisors is an integer number (13062307).

Almost surely, 2^26124613 is an apocalyptic number.

It is an amenable number.

26124613 is a deficient number, since it is larger than the sum of its proper divisors (1).

26124613 is an equidigital number, since it uses as much as digits as its factorization.

26124613 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1728, while the sum is 25.

The square root of 26124613 is about 5111.2242173475. The cubic root of 26124613 is about 296.7221418512.

Adding to 26124613 its reverse (31642162), we get a palindrome (57766775).

It can be divided in two parts, 2612 and 4613, that added together give a square (7225 = 85²).

The spelling of 26124613 in words is "twenty-six million, one hundred twenty-four thousand, six hundred thirteen".