530243444531 has 4 divisors (see below), whose sum is σ = 530627402064. Its totient is φ = 529859487000.

The previous prime is 530243444527. The next prime is 530243444567. The reversal of 530243444531 is 135444342035.

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

It is a cyclic number.

It is not a de Polignac number, because 530243444531 - 2² = 530243444527 is a prime.

It is a super-2 number, since 2×530243444531² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (530243449531) 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, 191976695 + ... + 191979456.

It is an arithmetic number, because the mean of its divisors is an integer number (132656850516).

Almost surely, 2^530243444531 is an apocalyptic number.

530243444531 is a deficient number, since it is larger than the sum of its proper divisors (383957533).

530243444531 is a wasteful number, since it uses less digits than its factorization.

530243444531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383957532.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 530243444531 its reverse (135444342035), we get a palindrome (665687786566).

The spelling of 530243444531 in words is "five hundred thirty billion, two hundred forty-three million, four hundred forty-four thousand, five hundred thirty-one".