523829 has 2 divisors, whose sum is σ = 523830. Its totient is φ = 523828.

The previous prime is 523801. The next prime is 523847. The reversal of 523829 is 928325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 40804 = 695^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 523829 - 2⁸ = 523573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261914 + 261915.

It is an arithmetic number, because the mean of its divisors is an integer number (261915).

2⁵²³⁸²⁹ is an apocalyptic number.

It is an amenable number.

523829 is a deficient number, since it is larger than the sum of its proper divisors (1).

523829 is an equidigital number, since it uses as much as digits as its factorization.

523829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 29.

The square root of 523829 is about 723.7603194428. The cubic root of 523829 is about 80.6114090826.

Subtracting 523829 from its reverse (928325), we obtain a square (404496 = 636²).

The spelling of 523829 in words is "five hundred twenty-three thousand, eight hundred twenty-nine".