25522749233 has 2 divisors, whose sum is σ = 25522749234. Its totient is φ = 25522749232.

The previous prime is 25522749223. The next prime is 25522749299. The reversal of 25522749233 is 33294722552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23401962529 + 2120786704 = 152977^2 + 46052^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25522749233 is a prime.

It is not a weakly prime, because it can be changed into another prime (25522749223) 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, 12761374616 + 12761374617.

It is an arithmetic number, because the mean of its divisors is an integer number (12761374617).

Almost surely, 2^25522749233 is an apocalyptic number.

It is an amenable number.

25522749233 is a deficient number, since it is larger than the sum of its proper divisors (1).

25522749233 is an equidigital number, since it uses as much as digits as its factorization.

25522749233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 907200, while the sum is 44.

The spelling of 25522749233 in words is "twenty-five billion, five hundred twenty-two million, seven hundred forty-nine thousand, two hundred thirty-three".