632189243 has 4 divisors (see below), whose sum is σ = 722502000. Its totient is φ = 541876488.

The previous prime is 632189227. The next prime is 632189263. The reversal of 632189243 is 342981236.

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 632189243 - 2⁴ = 632189227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632189197 and 632189206.

It is not an unprimeable number, because it can be changed into a prime (632189263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45156368 + ... + 45156381.

It is an arithmetic number, because the mean of its divisors is an integer number (180625500).

Almost surely, 2^632189243 is an apocalyptic number.

632189243 is a deficient number, since it is larger than the sum of its proper divisors (90312757).

632189243 is an equidigital number, since it uses as much as digits as its factorization.

632189243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90312756.

The product of its digits is 62208, while the sum is 38.

The square root of 632189243 is about 25143.3737394169. The cubic root of 632189243 is about 858.2537320804.

The spelling of 632189243 in words is "six hundred thirty-two million, one hundred eighty-nine thousand, two hundred forty-three".