530029681 has 4 divisors (see below), whose sum is σ = 557926000. Its totient is φ = 502133364.

The previous prime is 530029637. The next prime is 530029691. The reversal of 530029681 is 186920035.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 186920035 = 5 ⋅37384007.

It is a cyclic number.

It is not a de Polignac number, because 530029681 - 2²⁵ = 496475249 is a prime.

It is a super-2 number, since 2×530029681² = 561862925481923522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530029691) 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, 13948131 + ... + 13948168.

It is an arithmetic number, because the mean of its divisors is an integer number (139481500).

Almost surely, 2^530029681 is an apocalyptic number.

It is an amenable number.

530029681 is a deficient number, since it is larger than the sum of its proper divisors (27896319).

530029681 is a wasteful number, since it uses less digits than its factorization.

530029681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27896318.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 530029681 is about 23022.3734875447. The cubic root of 530029681 is about 809.2823400053.

The spelling of 530029681 in words is "five hundred thirty million, twenty-nine thousand, six hundred eighty-one".