2525665253 has 2 divisors, whose sum is σ = 2525665254. Its totient is φ = 2525665252.

The previous prime is 2525665223. The next prime is 2525665271. The reversal of 2525665253 is 3525665252.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2188649089 + 337016164 = 46783^2 + 18358^2 .

It is a cyclic number.

It is not a de Polignac number, because 2525665253 - 2¹⁸ = 2525403109 is a prime.

It is a super-3 number, since 3×2525665253³ (a number of 29 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2525665253.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2525665223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1262832626 + 1262832627.

It is an arithmetic number, because the mean of its divisors is an integer number (1262832627).

Almost surely, 2^2525665253 is an apocalyptic number.

It is an amenable number.

2525665253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2525665253 is an equidigital number, since it uses as much as digits as its factorization.

2525665253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540000, while the sum is 41.

The square root of 2525665253 is about 50255.9971844157. The cubic root of 2525665253 is about 1361.8374193103.

Subtracting 2525665253 from its reverse (3525665252), we obtain a palindrome (999999999).

It can be divided in two parts, 25256 and 65253, that added together give a palindrome (90509).

The spelling of 2525665253 in words is "two billion, five hundred twenty-five million, six hundred sixty-five thousand, two hundred fifty-three".