530802 has 24 divisors (see below), whose sum is σ = 1182636. Its totient is φ = 171936.
The previous prime is 530797. The next prime is 530807. The reversal of 530802 is 208035.
It is an interprime number because it is at equal distance from previous prime (530797) and next prime (530807).
It can be written as a sum of positive squares in 2 ways, for example, as 505521 + 25281 = 711^2 + 159^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a plaindrome in base 13.
It is a nialpdrome in base 9.
It is not an unprimeable number, because it can be changed into a prime (530807) by changing a digit.
530802 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 11 ways as a sum of consecutive naturals, for example, 268 + ... + 1064.
2530802 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 530802, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (591318).
530802 is an abundant number, since it is smaller than the sum of its proper divisors (651834).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
530802 is a wasteful number, since it uses less digits than its factorization.
530802 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 842 (or 839 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 530802 is about 728.5615965723. The cubic root of 530802 is about 80.9675224163.
Adding to 530802 its reverse (208035), we get a palindrome (738837).
The spelling of 530802 in words is "five hundred thirty thousand, eight hundred two".
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