25312759783 has 2 divisors, whose sum is σ = 25312759784. Its totient is φ = 25312759782.

The previous prime is 25312759757. The next prime is 25312759817. The reversal of 25312759783 is 38795721352.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25312759783 - 2⁵ = 25312759751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25312759783.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25312759723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12656379891 + 12656379892.

It is an arithmetic number, because the mean of its divisors is an integer number (12656379892).

Almost surely, 2^25312759783 is an apocalyptic number.

25312759783 is a deficient number, since it is larger than the sum of its proper divisors (1).

25312759783 is an equidigital number, since it uses as much as digits as its factorization.

25312759783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3175200, while the sum is 52.

The spelling of 25312759783 in words is "twenty-five billion, three hundred twelve million, seven hundred fifty-nine thousand, seven hundred eighty-three".