532643 has 4 divisors (see below), whose sum is σ = 551040. Its totient is φ = 514248.

The previous prime is 532639. The next prime is 532663. The reversal of 532643 is 346235.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 346235 = 5 ⋅69247.

It is a cyclic number.

It is not a de Polignac number, because 532643 - 2² = 532639 is a prime.

It is a d-powerful number, because it can be written as 5 + 3⁶ + 6² + 2¹⁹ + 4⁵ + 3⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (532603) 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, 9155 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (137760).

2⁵³²⁶⁴³ is an apocalyptic number.

532643 is a deficient number, since it is larger than the sum of its proper divisors (18397).

532643 is a wasteful number, since it uses less digits than its factorization.

532643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18396.

The product of its digits is 2160, while the sum is 23.

The square root of 532643 is about 729.8239513746. The cubic root of 532643 is about 81.0610219438.

Adding to 532643 its reverse (346235), we get a palindrome (878878).

The spelling of 532643 in words is "five hundred thirty-two thousand, six hundred forty-three".