25273 has 4 divisors (see below), whose sum is σ = 25600. Its totient is φ = 24948.

The previous prime is 25261. The next prime is 25301. The reversal of 25273 is 37252.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25273 is a prime.

It is a d-powerful number, because it can be written as 2⁵ + 5⁵ + 2⁵ + 7⁴ + 3⁹ .

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 25273.

It is not an unprimeable number, because it can be changed into a prime (25243) 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, 28 + ... + 226.

It is an arithmetic number, because the mean of its divisors is an integer number (6400).

2²⁵²⁷³ is an apocalyptic number.

It is an amenable number.

25273 is a deficient number, since it is larger than the sum of its proper divisors (327).

25273 is a wasteful number, since it uses less digits than its factorization.

25273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 420, while the sum is 19.

The square root of 25273 is about 158.9748407768. The cubic root of 25273 is about 29.3462265405.

It can be divided in two parts, 252 and 73, that added together give a triangular number (325 = T₂₅).

The spelling of 25273 in words is "twenty-five thousand, two hundred seventy-three".