253841 has 4 divisors (see below), whose sum is σ = 290112. Its totient is φ = 217572.

The previous prime is 253823. The next prime is 253853. The reversal of 253841 is 148352.

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 253841 - 2⁶ = 253777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253801) 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, 18125 + ... + 18138.

It is an arithmetic number, because the mean of its divisors is an integer number (72528).

2²⁵³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

253841 is a deficient number, since it is larger than the sum of its proper divisors (36271).

253841 is an equidigital number, since it uses as much as digits as its factorization.

253841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36270.

The product of its digits is 960, while the sum is 23.

The square root of 253841 is about 503.8263589770. The cubic root of 253841 is about 63.3170379745.

The spelling of 253841 in words is "two hundred fifty-three thousand, eight hundred forty-one".