25310253 has 4 divisors (see below), whose sum is σ = 33747008. Its totient is φ = 16873500.

The previous prime is 25310239. The next prime is 25310279. The reversal of 25310253 is 35201352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 25310253 - 2⁵ = 25310221 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 (25312253) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4218373 + ... + 4218378.

It is an arithmetic number, because the mean of its divisors is an integer number (8436752).

Almost surely, 2^25310253 is an apocalyptic number.

It is an amenable number.

25310253 is a deficient number, since it is larger than the sum of its proper divisors (8436755).

25310253 is an equidigital number, since it uses as much as digits as its factorization.

25310253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8436754.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 25310253 is about 5030.9296357632. The cubic root of 25310253 is about 293.6063847243.

The spelling of 25310253 in words is "twenty-five million, three hundred ten thousand, two hundred fifty-three".