523841 has 4 divisors (see below), whose sum is σ = 525312. Its totient is φ = 522372.

The previous prime is 523829. The next prime is 523847. The reversal of 523841 is 148325.

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 not a de Polignac number, because 523841 - 2⁶ = 523777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523847) 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, 176 + ... + 1038.

It is an arithmetic number, because the mean of its divisors is an integer number (131328).

2⁵²³⁸⁴¹ is an apocalyptic number.

It is an amenable number.

523841 is a deficient number, since it is larger than the sum of its proper divisors (1471).

523841 is an equidigital number, since it uses as much as digits as its factorization.

523841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470.

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

The square root of 523841 is about 723.7686094326. The cubic root of 523841 is about 80.6120246331.

The spelling of 523841 in words is "five hundred twenty-three thousand, eight hundred forty-one".