25975393 has 2 divisors, whose sum is σ = 25975394. Its totient is φ = 25975392.

The previous prime is 25975357. The next prime is 25975403. The reversal of 25975393 is 39357952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22353984 + 3621409 = 4728^2 + 1903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25975393 is a prime.

It is not a weakly prime, because it can be changed into another prime (25975333) 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, 12987696 + 12987697.

It is an arithmetic number, because the mean of its divisors is an integer number (12987697).

Almost surely, 2^25975393 is an apocalyptic number.

It is an amenable number.

25975393 is a deficient number, since it is larger than the sum of its proper divisors (1).

25975393 is an equidigital number, since it uses as much as digits as its factorization.

25975393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 255150, while the sum is 43.

The square root of 25975393 is about 5096.6060275442. The cubic root of 25975393 is about 296.1561181864.

The spelling of 25975393 in words is "twenty-five million, nine hundred seventy-five thousand, three hundred ninety-three".