25945937 has 2 divisors, whose sum is σ = 25945938. Its totient is φ = 25945936.

The previous prime is 25945919. The next prime is 25945939. The reversal of 25945937 is 73954952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22648081 + 3297856 = 4759^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 25945937 - 2¹² = 25941841 is a prime.

Together with 25945939, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (25945939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12972968 + 12972969.

It is an arithmetic number, because the mean of its divisors is an integer number (12972969).

Almost surely, 2^25945937 is an apocalyptic number.

It is an amenable number.

25945937 is a deficient number, since it is larger than the sum of its proper divisors (1).

25945937 is an equidigital number, since it uses as much as digits as its factorization.

25945937 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 44.

The square root of 25945937 is about 5093.7154416006. The cubic root of 25945937 is about 296.0441291950.

The spelling of 25945937 in words is "twenty-five million, nine hundred forty-five thousand, nine hundred thirty-seven".