530281 has 4 divisors (see below), whose sum is σ = 561492. Its totient is φ = 499072.

The previous prime is 530279. The next prime is 530293. The reversal of 530281 is 182035.

530281 = 108² + 109² + ... + 141².

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 341056 + 189225 = 584^2 + 435^2 .

It is a cyclic number.

It is not a de Polignac number, because 530281 - 2¹ = 530279 is a prime.

It is a super-2 number, since 2×530281² = 562395877922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15580 + ... + 15613.

It is an arithmetic number, because the mean of its divisors is an integer number (140373).

2⁵³⁰²⁸¹ is an apocalyptic number.

It is an amenable number.

530281 is a deficient number, since it is larger than the sum of its proper divisors (31211).

530281 is a wasteful number, since it uses less digits than its factorization.

530281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31210.

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

The square root of 530281 is about 728.2039549467. The cubic root of 530281 is about 80.9410229630.

The spelling of 530281 in words is "five hundred thirty thousand, two hundred eighty-one".