25795277953 has 2 divisors, whose sum is σ = 25795277954. Its totient is φ = 25795277952.

The previous prime is 25795277941. The next prime is 25795277993. The reversal of 25795277953 is 35977259752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16730905104 + 9064372849 = 129348^2 + 95207^2 .

It is a cyclic number.

It is not a de Polignac number, because 25795277953 - 2²¹ = 25793180801 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25795277891 and 25795277900.

It is not a weakly prime, because it can be changed into another prime (25795277993) 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, 12897638976 + 12897638977.

It is an arithmetic number, because the mean of its divisors is an integer number (12897638977).

Almost surely, 2^25795277953 is an apocalyptic number.

It is an amenable number.

25795277953 is a deficient number, since it is larger than the sum of its proper divisors (1).

25795277953 is an equidigital number, since it uses as much as digits as its factorization.

25795277953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41674500, while the sum is 61.

The spelling of 25795277953 in words is "twenty-five billion, seven hundred ninety-five million, two hundred seventy-seven thousand, nine hundred fifty-three".