530320252021 has 16 divisors (see below), whose sum is σ = 612440416000. Its totient is φ = 449791833600.

The previous prime is 530320251991. The next prime is 530320252061. The reversal of 530320252021 is 120252023035.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-530320252021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530320252061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3802480 + ... + 3939478.

It is an arithmetic number, because the mean of its divisors is an integer number (38277526000).

Almost surely, 2^530320252021 is an apocalyptic number.

It is an amenable number.

530320252021 is a deficient number, since it is larger than the sum of its proper divisors (82120163979).

530320252021 is a wasteful number, since it uses less digits than its factorization.

530320252021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142804.

The product of its (nonzero) digits is 3600, while the sum is 25.

Adding to 530320252021 its reverse (120252023035), we get a palindrome (650572275056).

The spelling of 530320252021 in words is "five hundred thirty billion, three hundred twenty million, two hundred fifty-two thousand, twenty-one".