530218516 has 12 divisors (see below), whose sum is σ = 933793588. Its totient is φ = 263420352.

The previous prime is 530218501. The next prime is 530218537. The reversal of 530218516 is 615812035.

It can be written as a sum of positive squares in 2 ways, for example, as 144096016 + 386122500 = 12004^2 + 19650^2 .

It is a super-2 number, since 2×530218516² = 562263349418484512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 421521 + ... + 422776.

Almost surely, 2^530218516 is an apocalyptic number.

It is an amenable number.

530218516 is a deficient number, since it is larger than the sum of its proper divisors (403575072).

530218516 is a wasteful number, since it uses less digits than its factorization.

530218516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844458 (or 844456 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 530218516 is about 23026.4742416202. The cubic root of 530218516 is about 809.3784369417.

The spelling of 530218516 in words is "five hundred thirty million, two hundred eighteen thousand, five hundred sixteen".