25013113 has 2 divisors, whose sum is σ = 25013114. Its totient is φ = 25013112.

The previous prime is 25013081. The next prime is 25013123. The reversal of 25013113 is 31131052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23155344 + 1857769 = 4812^2 + 1363^2 .

It is a cyclic number.

It is not a de Polignac number, because 25013113 - 2⁵ = 25013081 is a prime.

It is not a weakly prime, because it can be changed into another prime (25013123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506556 + 12506557.

It is an arithmetic number, because the mean of its divisors is an integer number (12506557).

Almost surely, 2^25013113 is an apocalyptic number.

It is an amenable number.

25013113 is a deficient number, since it is larger than the sum of its proper divisors (1).

25013113 is an equidigital number, since it uses as much as digits as its factorization.

25013113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 25013113 is about 5001.3111280943. The cubic root of 25013113 is about 292.4528884116.

Adding to 25013113 its reverse (31131052), we get a palindrome (56144165).

The spelling of 25013113 in words is "twenty-five million, thirteen thousand, one hundred thirteen".