25431253 has 8 divisors (see below), whose sum is σ = 27633920. Its totient is φ = 23315040.

The previous prime is 25431227. The next prime is 25431271. The reversal of 25431253 is 35213452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25431253 - 2⁵ = 25431221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25431223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21000 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (3454240).

Almost surely, 2^25431253 is an apocalyptic number.

It is an amenable number.

25431253 is a deficient number, since it is larger than the sum of its proper divisors (2202667).

25431253 is a wasteful number, since it uses less digits than its factorization.

25431253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43227.

The product of its digits is 3600, while the sum is 25.

The square root of 25431253 is about 5042.9409078434. The cubic root of 25431253 is about 294.0735196456.

The spelling of 25431253 in words is "twenty-five million, four hundred thirty-one thousand, two hundred fifty-three".