25969733 has 2 divisors, whose sum is σ = 25969734. Its totient is φ = 25969732.

The previous prime is 25969681. The next prime is 25969747. The reversal of 25969733 is 33796952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25381444 + 588289 = 5038^2 + 767^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25969733 is a prime.

It is a Sophie Germain 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 (25969753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12984866 + 12984867.

It is an arithmetic number, because the mean of its divisors is an integer number (12984867).

Almost surely, 2^25969733 is an apocalyptic number.

It is an amenable number.

25969733 is a deficient number, since it is larger than the sum of its proper divisors (1).

25969733 is an equidigital number, since it uses as much as digits as its factorization.

25969733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 306180, while the sum is 44.

The square root of 25969733 is about 5096.0507258072. The cubic root of 25969733 is about 296.1346059628.

The spelling of 25969733 in words is "twenty-five million, nine hundred sixty-nine thousand, seven hundred thirty-three".