530220513 has 16 divisors (see below), whose sum is σ = 718397696. Its totient is φ = 347775120.

The previous prime is 530220461. The next prime is 530220529. The reversal of 530220513 is 315022035.

It is a de Polignac number, because none of the positive numbers 2^k-530220513 is a prime.

It is a super-2 number, since 2×530220513² = 562267584811966338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 530220513.

It is not an unprimeable number, because it can be changed into a prime (530220553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 306870 + ... + 308592.

It is an arithmetic number, because the mean of its divisors is an integer number (44899856).

Almost surely, 2^530220513 is an apocalyptic number.

It is an amenable number.

530220513 is a deficient number, since it is larger than the sum of its proper divisors (188177183).

530220513 is a wasteful number, since it uses less digits than its factorization.

530220513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 530220513 is about 23026.5176047096. The cubic root of 530220513 is about 809.3794530805.

Adding to 530220513 its reverse (315022035), we get a palindrome (845242548).

The spelling of 530220513 in words is "five hundred thirty million, two hundred twenty thousand, five hundred thirteen".