25919941 has 2 divisors, whose sum is σ = 25919942. Its totient is φ = 25919940.

The previous prime is 25919911. The next prime is 25919947. The reversal of 25919941 is 14991952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 2735716 = 4815^2 + 1654^2 .

It is a cyclic number.

It is not a de Polignac number, because 25919941 - 2¹¹ = 25917893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25919894 and 25919903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25919947) 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, 12959970 + 12959971.

It is an arithmetic number, because the mean of its divisors is an integer number (12959971).

Almost surely, 2^25919941 is an apocalyptic number.

It is an amenable number.

25919941 is a deficient number, since it is larger than the sum of its proper divisors (1).

25919941 is an equidigital number, since it uses as much as digits as its factorization.

25919941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29160, while the sum is 40.

The square root of 25919941 is about 5091.1630301926. The cubic root of 25919941 is about 295.9452243724.

The spelling of 25919941 in words is "twenty-five million, nine hundred nineteen thousand, nine hundred forty-one".