530842 has 16 divisors (see below), whose sum is σ = 908712. Its totient is φ = 230400.

The previous prime is 530837. The next prime is 530843. The reversal of 530842 is 248035.

530842 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in 4 ways, for example, as 251001 + 279841 = 501^2 + 529^2 .

It is an Ulam number.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (530843) 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, 159 + ... + 1042.

2⁵³⁰⁸⁴² is an apocalyptic number.

530842 is a deficient number, since it is larger than the sum of its proper divisors (377870).

530842 is a wasteful number, since it uses less digits than its factorization.

530842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 530842 is about 728.5890474060. The cubic root of 530842 is about 80.9695562064.

Adding to 530842 its reverse (248035), we get a palindrome (778877).

The spelling of 530842 in words is "five hundred thirty thousand, eight hundred forty-two".