25323761251 has 2 divisors, whose sum is σ = 25323761252. Its totient is φ = 25323761250.

The previous prime is 25323761189. The next prime is 25323761261. The reversal of 25323761251 is 15216732352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25323761251 - 2²⁵ = 25290206819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25323761251.

It is not a weakly prime, because it can be changed into another prime (25323761261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12661880625 + 12661880626.

It is an arithmetic number, because the mean of its divisors is an integer number (12661880626).

Almost surely, 2^25323761251 is an apocalyptic number.

25323761251 is a deficient number, since it is larger than the sum of its proper divisors (1).

25323761251 is an equidigital number, since it uses as much as digits as its factorization.

25323761251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 75600, while the sum is 37.

The spelling of 25323761251 in words is "twenty-five billion, three hundred twenty-three million, seven hundred sixty-one thousand, two hundred fifty-one".