25493853 has 48 divisors (see below), whose sum is σ = 43581440. Its totient is φ = 12972960.

The previous prime is 25493849. The next prime is 25493857. The reversal of 25493853 is 35839452.

It is an interprime number because it is at equal distance from previous prime (25493849) and next prime (25493857).

It is not a de Polignac number, because 25493853 - 2² = 25493849 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25493857) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 200676 + ... + 200802.

Almost surely, 2^25493853 is an apocalyptic number.

It is an amenable number.

25493853 is a deficient number, since it is larger than the sum of its proper divisors (18087587).

25493853 is a wasteful number, since it uses less digits than its factorization.

25493853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 227 counting only the distinct ones).

The product of its digits is 129600, while the sum is 39.

The square root of 25493853 is about 5049.1437888022. The cubic root of 25493853 is about 294.3146129981.

The spelling of 25493853 in words is "twenty-five million, four hundred ninety-three thousand, eight hundred fifty-three".