25371479227 has 2 divisors, whose sum is σ = 25371479228. Its totient is φ = 25371479226.

The previous prime is 25371479219. The next prime is 25371479233. The reversal of 25371479227 is 72297417352.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25371479227 - 2³ = 25371479219 is a prime.

It is not a weakly prime, because it can be changed into another prime (25371479027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12685739613 + 12685739614.

It is an arithmetic number, because the mean of its divisors is an integer number (12685739614).

Almost surely, 2^25371479227 is an apocalyptic number.

25371479227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25371479227 is an equidigital number, since it uses as much as digits as its factorization.

25371479227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1481760, while the sum is 49.

The spelling of 25371479227 in words is "twenty-five billion, three hundred seventy-one million, four hundred seventy-nine thousand, two hundred twenty-seven".