25425345313 has 2 divisors, whose sum is σ = 25425345314. Its totient is φ = 25425345312.

The previous prime is 25425345289. The next prime is 25425345329. The reversal of 25425345313 is 31354352452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25025025249 + 400320064 = 158193^2 + 20008^2 .

It is a cyclic number.

It is not a de Polignac number, because 25425345313 - 2³³ = 16835410721 is a prime.

It is not a weakly prime, because it can be changed into another prime (25425345383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12712672656 + 12712672657.

It is an arithmetic number, because the mean of its divisors is an integer number (12712672657).

Almost surely, 2^25425345313 is an apocalyptic number.

It is an amenable number.

25425345313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25425345313 is an equidigital number, since it uses as much as digits as its factorization.

25425345313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216000, while the sum is 37.

Adding to 25425345313 its reverse (31354352452), we get a palindrome (56779697765).

The spelling of 25425345313 in words is "twenty-five billion, four hundred twenty-five million, three hundred forty-five thousand, three hundred thirteen".