530942 has 4 divisors (see below), whose sum is σ = 796416. Its totient is φ = 265470.

The previous prime is 530911. The next prime is 530947. The reversal of 530942 is 249035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 249035 = 5 ⋅49807.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530947) by changing a digit.

530942 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132734 + ... + 132737.

It is an arithmetic number, because the mean of its divisors is an integer number (199104).

2⁵³⁰⁹⁴² is an apocalyptic number.

530942 is a deficient number, since it is larger than the sum of its proper divisors (265474).

530942 is a wasteful number, since it uses less digits than its factorization.

530942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265473.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 530942 is about 728.6576699658. The cubic root of 530942 is about 80.9746402347.

Adding to 530942 its sum of digits (23), we get a triangular number (530965 = T₁₀₃₀).

Adding to 530942 its reverse (249035), we get a palindrome (779977).

The spelling of 530942 in words is "five hundred thirty thousand, nine hundred forty-two".