530422721650625 has 20 divisors (see below), whose sum is σ = 662822812283412. Its totient is φ = 424333965216000.

The previous prime is 530422721650579. The next prime is 530422721650631. The reversal of 530422721650625 is 526056127224035.

It can be written as a sum of positive squares in 10 ways, for example, as 482516929847824 + 47905791802801 = 21966268^2 + 6921401^2 .

It is not a de Polignac number, because 530422721650625 - 2²² = 530422717456321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59574509 + ... + 67896741.

Almost surely, 2^{530422721650625} is an apocalyptic number.

It is an amenable number.

530422721650625 is a deficient number, since it is larger than the sum of its proper divisors (132400090632787).

530422721650625 is an equidigital number, since it uses as much as digits as its factorization.

530422721650625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8424230 (or 8424215 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 50.

The spelling of 530422721650625 in words is "five hundred thirty trillion, four hundred twenty-two billion, seven hundred twenty-one million, six hundred fifty thousand, six hundred twenty-five".