26864413 has 2 divisors, whose sum is σ = 26864414. Its totient is φ = 26864412.

The previous prime is 26864399. The next prime is 26864417. The reversal of 26864413 is 31446862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22629049 + 4235364 = 4757^2 + 2058^2 .

It is a cyclic number.

It is not a de Polignac number, because 26864413 - 2⁹ = 26863901 is a prime.

It is a super-3 number, since 3×26864413³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26864417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13432206 + 13432207.

It is an arithmetic number, because the mean of its divisors is an integer number (13432207).

Almost surely, 2^26864413 is an apocalyptic number.

It is an amenable number.

26864413 is a deficient number, since it is larger than the sum of its proper divisors (1).

26864413 is an equidigital number, since it uses as much as digits as its factorization.

26864413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 34.

The square root of 26864413 is about 5183.0891367986. The cubic root of 26864413 is about 299.4969829769.

The spelling of 26864413 in words is "twenty-six million, eight hundred sixty-four thousand, four hundred thirteen".