25419941 has 2 divisors, whose sum is σ = 25419942. Its totient is φ = 25419940.

The previous prime is 25419937. The next prime is 25419943. The reversal of 25419941 is 14991452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24900100 + 519841 = 4990^2 + 721^2 .

It is a cyclic number.

It is not a de Polignac number, because 25419941 - 2² = 25419937 is a prime.

It is a Sophie Germain prime.

Together with 25419943, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25419943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12709970 + 12709971.

It is an arithmetic number, because the mean of its divisors is an integer number (12709971).

Almost surely, 2^25419941 is an apocalyptic number.

It is an amenable number.

25419941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25419941 is an equidigital number, since it uses as much as digits as its factorization.

25419941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 35.

The square root of 25419941 is about 5041.8192153230. The cubic root of 25419941 is about 294.0299111900.

The spelling of 25419941 in words is "twenty-five million, four hundred nineteen thousand, nine hundred forty-one".