530721512 has 16 divisors (see below), whose sum is σ = 1001695200. Its totient is φ = 263602800.

The previous prime is 530721497. The next prime is 530721551. The reversal of 530721512 is 215127035.

It is a super-2 number, since 2×530721512² = 563330646599132288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218462 + ... + 220877.

It is an arithmetic number, because the mean of its divisors is an integer number (62605950).

Almost surely, 2^530721512 is an apocalyptic number.

It is an amenable number.

530721512 is a deficient number, since it is larger than the sum of its proper divisors (470973688).

530721512 is a wasteful number, since it uses less digits than its factorization.

530721512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439496 (or 439492 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 530721512 is about 23037.3937762065. The cubic root of 530721512 is about 809.6342971418.

Adding to 530721512 its reverse (215127035), we get a palindrome (745848547).

The spelling of 530721512 in words is "five hundred thirty million, seven hundred twenty-one thousand, five hundred twelve".