32421243 has 4 divisors (see below), whose sum is σ = 43228328. Its totient is φ = 21614160.

The previous prime is 32421241. The next prime is 32421253. The reversal of 32421243 is 34212423.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 32421243 - 2¹ = 32421241 is a prime.

It is a super-2 number, since 2×32421243² = 2102273995330098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32421241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5403538 + ... + 5403543.

It is an arithmetic number, because the mean of its divisors is an integer number (10807082).

Almost surely, 2^32421243 is an apocalyptic number.

32421243 is a deficient number, since it is larger than the sum of its proper divisors (10807085).

32421243 is a wasteful number, since it uses less digits than its factorization.

32421243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10807084.

The product of its digits is 1152, while the sum is 21.

The square root of 32421243 is about 5693.9654898849. The cubic root of 32421243 is about 318.8672285456.

Adding to 32421243 its reverse (34212423), we get a palindrome (66633666).

The spelling of 32421243 in words is "thirty-two million, four hundred twenty-one thousand, two hundred forty-three".