530215844 has 6 divisors (see below), whose sum is σ = 927877734. Its totient is φ = 265107920.

The previous prime is 530215817. The next prime is 530215867. The reversal of 530215844 is 448512035.

It can be written as a sum of positive squares in only one way, i.e., 482329444 + 47886400 = 21962^2 + 6920^2 .

It is a super-2 number, since 2×530215844² = 562257682457264672, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 530215844.

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 as a sum of consecutive naturals, namely, 66276977 + ... + 66276984.

It is an arithmetic number, because the mean of its divisors is an integer number (154646289).

Almost surely, 2^530215844 is an apocalyptic number.

It is an amenable number.

530215844 is a deficient number, since it is larger than the sum of its proper divisors (397661890).

530215844 is a wasteful number, since it uses less digits than its factorization.

530215844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132553965 (or 132553963 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 530215844 is about 23026.4162213750. The cubic root of 530215844 is about 809.3770773370.

Adding to 530215844 its reverse (448512035), we get a palindrome (978727879).

The spelling of 530215844 in words is "five hundred thirty million, two hundred fifteen thousand, eight hundred forty-four".