530500042 has 16 divisors (see below), whose sum is σ = 809829864. Its totient is φ = 260568000.

The previous prime is 530500027. The next prime is 530500051. The reversal of 530500042 is 240005035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 311134321 + 219365721 = 17639^2 + 14811^2 .

It is a junction number, because it is equal to n+sod(n) for n = 530499992 and 530500019.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112492 + ... + 117112.

Almost surely, 2^530500042 is an apocalyptic number.

530500042 is a deficient number, since it is larger than the sum of its proper divisors (279329822).

530500042 is a wasteful number, since it uses less digits than its factorization.

530500042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5625.

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 530500042 is about 23032.5865243138. The cubic root of 530500042 is about 809.5216613862.

Adding to 530500042 its reverse (240005035), we get a palindrome (770505077).

The spelling of 530500042 in words is "five hundred thirty million, five hundred thousand, forty-two".