25700268233 has 4 divisors (see below), whose sum is σ = 25703402628. Its totient is φ = 25697133840.

The previous prime is 25700268227. The next prime is 25700268271. The reversal of 25700268233 is 33286200752.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22466412544 + 3233855689 = 149888^2 + 56867^2 .

It is a cyclic number.

It is not a de Polignac number, because 25700268233 - 2¹² = 25700264137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25700268283) 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 in 3 ways as a sum of consecutive naturals, for example, 1554866 + ... + 1571307.

It is an arithmetic number, because the mean of its divisors is an integer number (6425850657).

Almost surely, 2^25700268233 is an apocalyptic number.

It is an amenable number.

25700268233 is a deficient number, since it is larger than the sum of its proper divisors (3134395).

25700268233 is an equidigital number, since it uses as much as digits as its factorization.

25700268233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3134394.

The product of its (nonzero) digits is 120960, while the sum is 38.

Adding to 25700268233 its reverse (33286200752), we get a palindrome (58986468985).

The spelling of 25700268233 in words is "twenty-five billion, seven hundred million, two hundred sixty-eight thousand, two hundred thirty-three".