32160493 has 4 divisors (see below), whose sum is σ = 32171868. Its totient is φ = 32149120.

The previous prime is 32160451. The next prime is 32160497. The reversal of 32160493 is 39406123.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 20958084 + 11202409 = 4578^2 + 3347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32160493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32160497) 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, 2205 + ... + 8317.

It is an arithmetic number, because the mean of its divisors is an integer number (8042967).

Almost surely, 2^32160493 is an apocalyptic number.

It is an amenable number.

32160493 is a deficient number, since it is larger than the sum of its proper divisors (11375).

32160493 is an equidigital number, since it uses as much as digits as its factorization.

32160493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11374.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 32160493 is about 5671.0222182601. The cubic root of 32160493 is about 318.0100896025.

The spelling of 32160493 in words is "thirty-two million, one hundred sixty thousand, four hundred ninety-three".