25269457567 has 2 divisors, whose sum is σ = 25269457568. Its totient is φ = 25269457566.

The previous prime is 25269457523. The next prime is 25269457597. The reversal of 25269457567 is 76575496252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25269457567 - 2⁷ = 25269457439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25269457597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12634728783 + 12634728784.

It is an arithmetic number, because the mean of its divisors is an integer number (12634728784).

Almost surely, 2^25269457567 is an apocalyptic number.

25269457567 is a deficient number, since it is larger than the sum of its proper divisors (1).

25269457567 is an equidigital number, since it uses as much as digits as its factorization.

25269457567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31752000, while the sum is 58.

The spelling of 25269457567 in words is "twenty-five billion, two hundred sixty-nine million, four hundred fifty-seven thousand, five hundred sixty-seven".