25826413 has 2 divisors, whose sum is σ = 25826414. Its totient is φ = 25826412.

The previous prime is 25826399. The next prime is 25826431. The reversal of 25826413 is 31462852.

Together with next prime (25826431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25583364 + 243049 = 5058^2 + 493^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25826413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25826473) 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, 12913206 + 12913207.

It is an arithmetic number, because the mean of its divisors is an integer number (12913207).

Almost surely, 2^25826413 is an apocalyptic number.

It is an amenable number.

25826413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25826413 is an equidigital number, since it uses as much as digits as its factorization.

25826413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11520, while the sum is 31.

The square root of 25826413 is about 5081.9694017182. The cubic root of 25826413 is about 295.5888382242.

The spelling of 25826413 in words is "twenty-five million, eight hundred twenty-six thousand, four hundred thirteen".