25253253 has 12 divisors (see below), whose sum is σ = 37367148. Its totient is φ = 16424640.

The previous prime is 25253243. The next prime is 25253273. The reversal of 25253253 is 35235252.

It can be written as a sum of positive squares in 2 ways, for example, as 6874884 + 18378369 = 2622^2 + 4287^2 .

It is not a de Polignac number, because 25253253 - 2⁴ = 25253237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25253213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33850 + ... + 34587.

It is an arithmetic number, because the mean of its divisors is an integer number (3113929).

Almost surely, 2^25253253 is an apocalyptic number.

It is an amenable number.

25253253 is a deficient number, since it is larger than the sum of its proper divisors (12113895).

25253253 is a wasteful number, since it uses less digits than its factorization.

25253253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68484 (or 68481 counting only the distinct ones).

The product of its digits is 9000, while the sum is 27.

The square root of 25253253 is about 5025.2614857339. The cubic root of 25253253 is about 293.3858134695.

It can be divided in two parts, 2525 and 3253, that added together give a triangular number (5778 = T₁₀₇).

The spelling of 25253253 in words is "twenty-five million, two hundred fifty-three thousand, two hundred fifty-three".