532321454531 has 4 divisors (see below), whose sum is σ = 534243192912. Its totient is φ = 530399716152.

The previous prime is 532321454501. The next prime is 532321454549. The reversal of 532321454531 is 135454123235.

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 532321454531 - 2³⁰ = 531247712707 is a prime.

It is a super-2 number, since 2×532321454531² (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 (532321454501) 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, 960868775 + ... + 960869328.

It is an arithmetic number, because the mean of its divisors is an integer number (133560798228).

Almost surely, 2^532321454531 is an apocalyptic number.

532321454531 is a deficient number, since it is larger than the sum of its proper divisors (1921738381).

532321454531 is a wasteful number, since it uses less digits than its factorization.

532321454531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921738380.

The product of its digits is 216000, while the sum is 38.

Adding to 532321454531 its reverse (135454123235), we get a palindrome (667775577766).

The spelling of 532321454531 in words is "five hundred thirty-two billion, three hundred twenty-one million, four hundred fifty-four thousand, five hundred thirty-one".