25012626276397 has 2 divisors, whose sum is σ = 25012626276398. Its totient is φ = 25012626276396.

The previous prime is 25012626276389. The next prime is 25012626276401. The reversal of 25012626276397 is 79367262621052.

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., 24997410067081 + 15216209316 = 4999741^2 + 123354^2 .

It is a cyclic number.

It is not a de Polignac number, because 25012626276397 - 2³ = 25012626276389 is a prime.

It is a super-3 number, since 3×25012626276397³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25012626276307) 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, 12506313138198 + 12506313138199.

It is an arithmetic number, because the mean of its divisors is an integer number (12506313138199).

Almost surely, 2^{25012626276397} is an apocalyptic number.

It is an amenable number.

25012626276397 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012626276397 is an equidigital number, since it uses as much as digits as its factorization.

25012626276397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22861440, while the sum is 58.

The spelling of 25012626276397 in words is "twenty-five trillion, twelve billion, six hundred twenty-six million, two hundred seventy-six thousand, three hundred ninety-seven".