530181 has 6 divisors (see below), whose sum is σ = 765830. Its totient is φ = 353448.

The previous prime is 530177. The next prime is 530183. The reversal of 530181 is 181035.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 285156 + 245025 = 534^2 + 495^2 .

It is not a de Polignac number, because 530181 - 2² = 530177 is a prime.

It is a super-2 number, since 2×530181² = 562183785522, 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 (530183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29446 + ... + 29463.

2⁵³⁰¹⁸¹ is an apocalyptic number.

It is an amenable number.

530181 is a deficient number, since it is larger than the sum of its proper divisors (235649).

530181 is a wasteful number, since it uses less digits than its factorization.

530181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58915 (or 58912 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 530181 is about 728.1352896269. The cubic root of 530181 is about 80.9359347103.

The spelling of 530181 in words is "five hundred thirty thousand, one hundred eighty-one".