2565441233 has 2 divisors, whose sum is σ = 2565441234. Its totient is φ = 2565441232.

The previous prime is 2565441191. The next prime is 2565441259. The reversal of 2565441233 is 3321445652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2565118609 + 322624 = 50647^2 + 568^2 .

It is a cyclic number.

It is not a de Polignac number, because 2565441233 - 2¹² = 2565437137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2565441193 and 2565441202.

It is not a weakly prime, because it can be changed into another prime (2565441833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282720616 + 1282720617.

It is an arithmetic number, because the mean of its divisors is an integer number (1282720617).

Almost surely, 2^2565441233 is an apocalyptic number.

It is an amenable number.

2565441233 is a deficient number, since it is larger than the sum of its proper divisors (1).

2565441233 is an equidigital number, since it uses as much as digits as its factorization.

2565441233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 35.

The square root of 2565441233 is about 50650.1849256249. The cubic root of 2565441233 is about 1368.9492774694.

Adding to 2565441233 its reverse (3321445652), we get a palindrome (5886886885).

The spelling of 2565441233 in words is "two billion, five hundred sixty-five million, four hundred forty-one thousand, two hundred thirty-three".