530417681 has 6 divisors (see below), whose sum is σ = 545142150. Its totient is φ = 516080736.

The previous prime is 530417677. The next prime is 530417683. The reversal of 530417681 is 186714035.

It can be written as a sum of positive squares in 3 ways, for example, as 161163025 + 369254656 = 12695^2 + 19216^2 .

It is not a de Polignac number, because 530417681 - 2² = 530417677 is a prime.

It is a super-2 number, since 2×530417681² = 562685832634835522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530417683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 192356 + ... + 195093.

It is an arithmetic number, because the mean of its divisors is an integer number (90857025).

Almost surely, 2^530417681 is an apocalyptic number.

It is an amenable number.

530417681 is a deficient number, since it is larger than the sum of its proper divisors (14724469).

530417681 is an equidigital number, since it uses as much as digits as its factorization.

530417681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387523 (or 387486 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 530417681 is about 23030.7985315316. The cubic root of 530417681 is about 809.4797660303.

The spelling of 530417681 in words is "five hundred thirty million, four hundred seventeen thousand, six hundred eighty-one".