25270577567 has 2 divisors, whose sum is σ = 25270577568. Its totient is φ = 25270577566.

The previous prime is 25270577513. The next prime is 25270577587. The reversal of 25270577567 is 76577507252.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25270577567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25270577587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12635288783 + 12635288784.

It is an arithmetic number, because the mean of its divisors is an integer number (12635288784).

Almost surely, 2^25270577567 is an apocalyptic number.

25270577567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25270577567 is an equidigital number, since it uses as much as digits as its factorization.

25270577567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7203000, while the sum is 53.

The spelling of 25270577567 in words is "twenty-five billion, two hundred seventy million, five hundred seventy-seven thousand, five hundred sixty-seven".