530218 has 8 divisors (see below), whose sum is σ = 856548. Its totient is φ = 244704.

The previous prime is 530209. The next prime is 530227. The reversal of 530218 is 812035.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (530209) and next prime (530227).

It can be written as a sum of positive squares in 2 ways, for example, as 514089 + 16129 = 717^2 + 127^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×530218² = 562262255048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 530195 and 530204.

It is an unprimeable number.

530218 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10171 + ... + 10222.

2⁵³⁰²¹⁸ is an apocalyptic number.

530218 is a deficient number, since it is larger than the sum of its proper divisors (326330).

530218 is a wasteful number, since it uses less digits than its factorization.

530218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20408.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 530218 is about 728.1606965499. The cubic root of 530218 is about 80.9378174384.

The spelling of 530218 in words is "five hundred thirty thousand, two hundred eighteen".