25050913 has 2 divisors, whose sum is σ = 25050914. Its totient is φ = 25050912.

The previous prime is 25050889. The next prime is 25050917. The reversal of 25050913 is 31905052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23493409 + 1557504 = 4847^2 + 1248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25050913 is a prime.

It is not a weakly prime, because it can be changed into another prime (25050917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12525456 + 12525457.

It is an arithmetic number, because the mean of its divisors is an integer number (12525457).

Almost surely, 2^25050913 is an apocalyptic number.

It is an amenable number.

25050913 is a deficient number, since it is larger than the sum of its proper divisors (1).

25050913 is an equidigital number, since it uses as much as digits as its factorization.

25050913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 25050913 is about 5005.0887105025. The cubic root of 25050913 is about 292.6001332480.

Adding to 25050913 its reverse (31905052), we get a palindrome (56955965).

The spelling of 25050913 in words is "twenty-five million, fifty thousand, nine hundred thirteen".