25371298247 has 2 divisors, whose sum is σ = 25371298248. Its totient is φ = 25371298246.

The previous prime is 25371298171. The next prime is 25371298283. The reversal of 25371298247 is 74289217352.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25371298247 - 2¹⁰ = 25371297223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25371298195 and 25371298204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25371298297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12685649123 + 12685649124.

It is an arithmetic number, because the mean of its divisors is an integer number (12685649124).

Almost surely, 2^25371298247 is an apocalyptic number.

25371298247 is a deficient number, since it is larger than the sum of its proper divisors (1).

25371298247 is an equidigital number, since it uses as much as digits as its factorization.

25371298247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 50.

The spelling of 25371298247 in words is "twenty-five billion, three hundred seventy-one million, two hundred ninety-eight thousand, two hundred forty-seven".