32442521 has 8 divisors (see below), whose sum is σ = 33312384. Its totient is φ = 31576480.

The previous prime is 32442499. The next prime is 32442533. The reversal of 32442521 is 12524423.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 32442521 - 2⁶ = 32442457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32472521) 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 7 ways as a sum of consecutive naturals, for example, 25916 + ... + 27138.

It is an arithmetic number, because the mean of its divisors is an integer number (4164048).

Almost surely, 2^32442521 is an apocalyptic number.

It is an amenable number.

32442521 is a deficient number, since it is larger than the sum of its proper divisors (869863).

32442521 is a wasteful number, since it uses less digits than its factorization.

32442521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911.

The product of its digits is 1920, while the sum is 23.

The square root of 32442521 is about 5695.8336527676. The cubic root of 32442521 is about 318.9369706088.

Adding to 32442521 its reverse (12524423), we get a palindrome (44966944).

The spelling of 32442521 in words is "thirty-two million, four hundred forty-two thousand, five hundred twenty-one".