632543 has 4 divisors (see below), whose sum is σ = 640248. Its totient is φ = 624840.

The previous prime is 632521. The next prime is 632557. The reversal of 632543 is 345236.

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 632543 - 2¹² = 628447 is a prime.

It is a super-2 number, since 2×632543² = 800221293698, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 3¹⁰ + 5⁵ + 2¹⁷ + 4⁹ + 3¹¹ .

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728 + ... + 3893.

It is an arithmetic number, because the mean of its divisors is an integer number (160062).

2⁶³²⁵⁴³ is an apocalyptic number.

632543 is a deficient number, since it is larger than the sum of its proper divisors (7705).

632543 is an equidigital number, since it uses as much as digits as its factorization.

632543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7704.

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

The square root of 632543 is about 795.3257194383. The cubic root of 632543 is about 85.8413787873.

Adding to 632543 its reverse (345236), we get a palindrome (977779).

The spelling of 632543 in words is "six hundred thirty-two thousand, five hundred forty-three".