25115941 has 2 divisors, whose sum is σ = 25115942. Its totient is φ = 25115940.

The previous prime is 25115939. The next prime is 25116041. The reversal of 25115941 is 14951152.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14364100 + 10751841 = 3790^2 + 3279^2 .

It is a cyclic number.

It is not a de Polignac number, because 25115941 - 2¹ = 25115939 is a prime.

Together with 25115939, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25115641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12557970 + 12557971.

It is an arithmetic number, because the mean of its divisors is an integer number (12557971).

Almost surely, 2^25115941 is an apocalyptic number.

It is an amenable number.

25115941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25115941 is an equidigital number, since it uses as much as digits as its factorization.

25115941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1800, while the sum is 28.

The square root of 25115941 is about 5011.5806887648. The cubic root of 25115941 is about 292.8530949045.

The spelling of 25115941 in words is "twenty-five million, one hundred fifteen thousand, nine hundred forty-one".