530021142 has 36 divisors (see below), whose sum is σ = 1335871836. Its totient is φ = 151434360.

The previous prime is 530021137. The next prime is 530021159. The reversal of 530021142 is 241120035.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 299584 + ... + 301347.

It is an arithmetic number, because the mean of its divisors is an integer number (37107551).

Almost surely, 2^530021142 is an apocalyptic number.

530021142 is an abundant number, since it is smaller than the sum of its proper divisors (805850694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530021142 is a wasteful number, since it uses less digits than its factorization.

530021142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600953 (or 600943 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 530021142 is about 23022.1880367614. The cubic root of 530021142 is about 809.2779940229.

Adding to 530021142 its reverse (241120035), we get a palindrome (771141177).

The spelling of 530021142 in words is "five hundred thirty million, twenty-one thousand, one hundred forty-two".