530511442 has 16 divisors (see below), whose sum is σ = 824025240. Its totient is φ = 255854592.

The previous prime is 530511433. The next prime is 530511493. The reversal of 530511442 is 244115035.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 472584121 + 57927321 = 21739^2 + 7611^2 .

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 7 ways as a sum of consecutive naturals, for example, 62908 + ... + 70840.

Almost surely, 2^530511442 is an apocalyptic number.

530511442 is a deficient number, since it is larger than the sum of its proper divisors (293513798).

530511442 is a wasteful number, since it uses less digits than its factorization.

530511442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9117.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 530511442 is about 23032.8339984467. The cubic root of 530511442 is about 809.5274599913.

Adding to 530511442 its reverse (244115035), we get a palindrome (774626477).

The spelling of 530511442 in words is "five hundred thirty million, five hundred eleven thousand, four hundred forty-two".