25043 has 4 divisors (see below), whose sum is σ = 25440. Its totient is φ = 24648.

The previous prime is 25037. The next prime is 25057. The reversal of 25043 is 34052.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 25043 - 2⁶ = 24979 is a prime.

It is a Duffinian number.

It is a plaindrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (25013) 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, 80 + ... + 237.

It is an arithmetic number, because the mean of its divisors is an integer number (6360).

2²⁵⁰⁴³ is an apocalyptic number.

25043 is a deficient number, since it is larger than the sum of its proper divisors (397).

25043 is an equidigital number, since it uses as much as digits as its factorization.

25043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 25043 is about 158.2498025275. The cubic root of 25043 is about 29.2569321481.

Adding to 25043 its reverse (34052), we get a palindrome (59095).

Subtracting 25043 from its reverse (34052), we obtain a palindrome (9009).

The spelling of 25043 in words is "twenty-five thousand, forty-three".