253189 has 4 divisors (see below), whose sum is σ = 258624. Its totient is φ = 247756.

The previous prime is 253159. The next prime is 253229. The reversal of 253189 is 981352.

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 a cyclic number.

It is not a de Polignac number, because 253189 - 2⁵ = 253157 is a prime.

It is a Duffinian number.

253189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253109) 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, 2647 + ... + 2740.

It is an arithmetic number, because the mean of its divisors is an integer number (64656).

2²⁵³¹⁸⁹ is an apocalyptic number.

It is an amenable number.

253189 is a deficient number, since it is larger than the sum of its proper divisors (5435).

253189 is an equidigital number, since it uses as much as digits as its factorization.

253189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5434.

The product of its digits is 2160, while the sum is 28.

The square root of 253189 is about 503.1788946289. The cubic root of 253189 is about 63.2627807758.

The spelling of 253189 in words is "two hundred fifty-three thousand, one hundred eighty-nine".