25323366253 has 2 divisors, whose sum is σ = 25323366254. Its totient is φ = 25323366252.

The previous prime is 25323366241. The next prime is 25323366319. The reversal of 25323366253 is 35266332352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25021545124 + 301821129 = 158182^2 + 17373^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25323366253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25323366353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661683126 + 12661683127.

It is an arithmetic number, because the mean of its divisors is an integer number (12661683127).

Almost surely, 2^25323366253 is an apocalyptic number.

It is an amenable number.

25323366253 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323366253 is an equidigital number, since it uses as much as digits as its factorization.

25323366253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 40.

The spelling of 25323366253 in words is "twenty-five billion, three hundred twenty-three million, three hundred sixty-six thousand, two hundred fifty-three".