530464181 has 4 divisors (see below), whose sum is σ = 571269132. Its totient is φ = 489659232.

The previous prime is 530464147. The next prime is 530464183. The reversal of 530464181 is 181464035.

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 330694225 + 199769956 = 18185^2 + 14134^2 .

It is a cyclic number.

It is not a de Polignac number, because 530464181 - 2⁶ = 530464117 is a prime.

It is a super-2 number, since 2×530464181² = 562784494648001522, 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 (530464183) 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, 20402456 + ... + 20402481.

It is an arithmetic number, because the mean of its divisors is an integer number (142817283).

Almost surely, 2^530464181 is an apocalyptic number.

It is an amenable number.

530464181 is a deficient number, since it is larger than the sum of its proper divisors (40804951).

530464181 is a wasteful number, since it uses less digits than its factorization.

530464181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40804950.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 530464181 is about 23031.8080271610. The cubic root of 530464181 is about 809.5034201621.

The spelling of 530464181 in words is "five hundred thirty million, four hundred sixty-four thousand, one hundred eighty-one".