25635713 has 2 divisors, whose sum is σ = 25635714. Its totient is φ = 25635712.

The previous prime is 25635707. The next prime is 25635721. The reversal of 25635713 is 31753652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23541904 + 2093809 = 4852^2 + 1447^2 .

It is a cyclic number.

It is not a de Polignac number, because 25635713 - 2⁸ = 25635457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25635713.

It is not a weakly prime, because it can be changed into another prime (25635703) 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, 12817856 + 12817857.

It is an arithmetic number, because the mean of its divisors is an integer number (12817857).

Almost surely, 2^25635713 is an apocalyptic number.

It is an amenable number.

25635713 is a deficient number, since it is larger than the sum of its proper divisors (1).

25635713 is an equidigital number, since it uses as much as digits as its factorization.

25635713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 32.

The square root of 25635713 is about 5063.1722269739. The cubic root of 25635713 is about 294.8595060199.

The spelling of 25635713 in words is "twenty-five million, six hundred thirty-five thousand, seven hundred thirteen".