25700268227 has 2 divisors, whose sum is σ = 25700268228. Its totient is φ = 25700268226.

The previous prime is 25700268221. The next prime is 25700268271. The reversal of 25700268227 is 72286200752.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25700268227 - 2³⁰ = 24626526403 is a prime.

It is not a weakly prime, because it can be changed into another prime (25700268221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12850134113 + 12850134114.

It is an arithmetic number, because the mean of its divisors is an integer number (12850134114).

Almost surely, 2^25700268227 is an apocalyptic number.

25700268227 is a deficient number, since it is larger than the sum of its proper divisors (1).

25700268227 is an equidigital number, since it uses as much as digits as its factorization.

25700268227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 188160, while the sum is 41.

Adding to 25700268227 its reverse (72286200752), we get a palindrome (97986468979).

The spelling of 25700268227 in words is "twenty-five billion, seven hundred million, two hundred sixty-eight thousand, two hundred twenty-seven".