32452021 has 4 divisors (see below), whose sum is σ = 37088032. Its totient is φ = 27816012.

The previous prime is 32452003. The next prime is 32452037. The reversal of 32452021 is 12025423.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32452021 - 2⁵ = 32451989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32452021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32452001) 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, 2317995 + ... + 2318008.

It is an arithmetic number, because the mean of its divisors is an integer number (9272008).

Almost surely, 2^32452021 is an apocalyptic number.

It is an amenable number.

32452021 is a deficient number, since it is larger than the sum of its proper divisors (4636011).

32452021 is an equidigital number, since it uses as much as digits as its factorization.

32452021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636010.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 32452021 is about 5696.6675346206. The cubic root of 32452021 is about 318.9680985384.

Adding to 32452021 its reverse (12025423), we get a palindrome (44477444).

The spelling of 32452021 in words is "thirty-two million, four hundred fifty-two thousand, twenty-one".