25793801251 has 2 divisors, whose sum is σ = 25793801252. Its totient is φ = 25793801250.

The previous prime is 25793801213. The next prime is 25793801263. The reversal of 25793801251 is 15210839752.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25793801251 - 2¹³ = 25793793059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25793801198 and 25793801207.

It is not a weakly prime, because it can be changed into another prime (25793808251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12896900625 + 12896900626.

It is an arithmetic number, because the mean of its divisors is an integer number (12896900626).

Almost surely, 2^25793801251 is an apocalyptic number.

25793801251 is a deficient number, since it is larger than the sum of its proper divisors (1).

25793801251 is an equidigital number, since it uses as much as digits as its factorization.

25793801251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 25793801251 in words is "twenty-five billion, seven hundred ninety-three million, eight hundred one thousand, two hundred fifty-one".