530630645 has 8 divisors (see below), whose sum is σ = 637560504. Its totient is φ = 423968704.

The previous prime is 530630591. The next prime is 530630657. The reversal of 530630645 is 546036035.

It can be written as a sum of positive squares in 4 ways, for example, as 111556 + 530519089 = 334^2 + 23033^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 530630645 - 2⁸ = 530630389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62594 + ... + 70563.

It is an arithmetic number, because the mean of its divisors is an integer number (79695063).

Almost surely, 2^530630645 is an apocalyptic number.

It is an amenable number.

530630645 is a deficient number, since it is larger than the sum of its proper divisors (106929859).

530630645 is a wasteful number, since it uses less digits than its factorization.

530630645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133959.

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 530630645 is about 23035.4215285937. The cubic root of 530630645 is about 809.5880875717.

The spelling of 530630645 in words is "five hundred thirty million, six hundred thirty thousand, six hundred forty-five".