25265253 has 16 divisors (see below), whose sum is σ = 36571136. Its totient is φ = 15422400.

The previous prime is 25265243. The next prime is 25265257. The reversal of 25265253 is 35256252.

It is not a de Polignac number, because 25265253 - 2⁴ = 25265237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25265253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25265257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2403 + ... + 7503.

It is an arithmetic number, because the mean of its divisors is an integer number (2285696).

Almost surely, 2^25265253 is an apocalyptic number.

It is an amenable number.

25265253 is a deficient number, since it is larger than the sum of its proper divisors (11305883).

25265253 is a wasteful number, since it uses less digits than its factorization.

25265253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5244.

The product of its digits is 18000, while the sum is 30.

The square root of 25265253 is about 5026.4553116486. The cubic root of 25265253 is about 293.4322770843.

Subtracting 25265253 from its reverse (35256252), we obtain a palindrome (9990999).

The spelling of 25265253 in words is "twenty-five million, two hundred sixty-five thousand, two hundred fifty-three".