531830 has 16 divisors (see below), whose sum is σ = 1031184. Its totient is φ = 196320.

The previous prime is 531827. The next prime is 531833. The reversal of 531830 is 38135.

531830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (531827) and next prime (531833).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (531833) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1916 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (64449).

2⁵³¹⁸³⁰ is an apocalyptic number.

531830 is a deficient number, since it is larger than the sum of its proper divisors (499354).

531830 is a wasteful number, since it uses less digits than its factorization.

531830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4111.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 531830 is about 729.2667550355. The cubic root of 531830 is about 81.0197584274.

Adding to 531830 its reverse (38135), we get a palindrome (569965).

The spelling of 531830 in words is "five hundred thirty-one thousand, eight hundred thirty".