25319488253 has 2 divisors, whose sum is σ = 25319488254. Its totient is φ = 25319488252.

The previous prime is 25319488231. The next prime is 25319488261. The reversal of 25319488253 is 35288491352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20475606649 + 4843881604 = 143093^2 + 69598^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25319488253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25319488283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12659744126 + 12659744127.

It is an arithmetic number, because the mean of its divisors is an integer number (12659744127).

Almost surely, 2^25319488253 is an apocalyptic number.

It is an amenable number.

25319488253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25319488253 is an equidigital number, since it uses as much as digits as its factorization.

25319488253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2073600, while the sum is 50.

The spelling of 25319488253 in words is "twenty-five billion, three hundred nineteen million, four hundred eighty-eight thousand, two hundred fifty-three".