32542021 has 8 divisors (see below), whose sum is σ = 32987520. Its totient is φ = 32099808.

The previous prime is 32542009. The next prime is 32542067. The reversal of 32542021 is 12024523.

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 32542021 - 2¹¹ = 32539973 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 32542021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32546021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23860 + ... + 25186.

It is an arithmetic number, because the mean of its divisors is an integer number (4123440).

Almost surely, 2^32542021 is an apocalyptic number.

It is an amenable number.

32542021 is a deficient number, since it is larger than the sum of its proper divisors (445499).

32542021 is a wasteful number, since it uses less digits than its factorization.

32542021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643.

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

The square root of 32542021 is about 5704.5614204775. The cubic root of 32542021 is about 319.2626937668.

Adding to 32542021 its reverse (12024523), we get a palindrome (44566544).

The spelling of 32542021 in words is "thirty-two million, five hundred forty-two thousand, twenty-one".