532323320521 has 16 divisors (see below), whose sum is σ = 538684611840. Its totient is φ = 526010163840.

The previous prime is 532323320491. The next prime is 532323320533. The reversal of 532323320521 is 125023323235.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 532323320521 - 2¹¹ = 532323318473 is a prime.

It is a super-2 number, since 2×532323320521² (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 (532323320821) 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, 18445315 + ... + 18474151.

It is an arithmetic number, because the mean of its divisors is an integer number (33667788240).

Almost surely, 2^532323320521 is an apocalyptic number.

It is an amenable number.

532323320521 is a deficient number, since it is larger than the sum of its proper divisors (6361291319).

532323320521 is a wasteful number, since it uses less digits than its factorization.

532323320521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29664.

The product of its (nonzero) digits is 32400, while the sum is 31.

Adding to 532323320521 its reverse (125023323235), we get a palindrome (657346643756).

The spelling of 532323320521 in words is "five hundred thirty-two billion, three hundred twenty-three million, three hundred twenty thousand, five hundred twenty-one".