25838413 has 2 divisors, whose sum is σ = 25838414. Its totient is φ = 25838412.

The previous prime is 25838389. The next prime is 25838431. The reversal of 25838413 is 31483852.

It is a happy number.

Together with next prime (25838431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18852964 + 6985449 = 4342^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 25838413 - 2⁵ = 25838381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25838443) 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, 12919206 + 12919207.

It is an arithmetic number, because the mean of its divisors is an integer number (12919207).

Almost surely, 2^25838413 is an apocalyptic number.

It is an amenable number.

25838413 is a deficient number, since it is larger than the sum of its proper divisors (1).

25838413 is an equidigital number, since it uses as much as digits as its factorization.

25838413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 34.

The square root of 25838413 is about 5083.1499092590. The cubic root of 25838413 is about 295.6346119937.

The spelling of 25838413 in words is "twenty-five million, eight hundred thirty-eight thousand, four hundred thirteen".