25355252287 has 2 divisors, whose sum is σ = 25355252288. Its totient is φ = 25355252286.

The previous prime is 25355252269. The next prime is 25355252347. The reversal of 25355252287 is 78225255352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25355252287 - 2⁷ = 25355252159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25355252207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12677626143 + 12677626144.

It is an arithmetic number, because the mean of its divisors is an integer number (12677626144).

Almost surely, 2^25355252287 is an apocalyptic number.

25355252287 is a deficient number, since it is larger than the sum of its proper divisors (1).

25355252287 is an equidigital number, since it uses as much as digits as its factorization.

25355252287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1680000, while the sum is 46.

The spelling of 25355252287 in words is "twenty-five billion, three hundred fifty-five million, two hundred fifty-two thousand, two hundred eighty-seven".