25403313053 has 2 divisors, whose sum is σ = 25403313054. Its totient is φ = 25403313052.

The previous prime is 25403313043. The next prime is 25403313059. The reversal of 25403313053 is 35031330452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24486616324 + 916696729 = 156482^2 + 30277^2 .

It is a cyclic number.

It is not a de Polignac number, because 25403313053 - 2⁴ = 25403313037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25403313059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12701656526 + 12701656527.

It is an arithmetic number, because the mean of its divisors is an integer number (12701656527).

Almost surely, 2^25403313053 is an apocalyptic number.

It is an amenable number.

25403313053 is a deficient number, since it is larger than the sum of its proper divisors (1).

25403313053 is an equidigital number, since it uses as much as digits as its factorization.

25403313053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 29.

The spelling of 25403313053 in words is "twenty-five billion, four hundred three million, three hundred thirteen thousand, fifty-three".