25941913 has 2 divisors, whose sum is σ = 25941914. Its totient is φ = 25941912.

The previous prime is 25941901. The next prime is 25941919. The reversal of 25941913 is 31914952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20358144 + 5583769 = 4512^2 + 2363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25941913 is a prime.

It is not a weakly prime, because it can be changed into another prime (25941919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12970956 + 12970957.

It is an arithmetic number, because the mean of its divisors is an integer number (12970957).

Almost surely, 2^25941913 is an apocalyptic number.

It is an amenable number.

25941913 is a deficient number, since it is larger than the sum of its proper divisors (1).

25941913 is an equidigital number, since it uses as much as digits as its factorization.

25941913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 34.

The square root of 25941913 is about 5093.3204297393. The cubic root of 25941913 is about 296.0288237393.

The spelling of 25941913 in words is "twenty-five million, nine hundred forty-one thousand, nine hundred thirteen".