32421043 has 4 divisors (see below), whose sum is σ = 33539040. Its totient is φ = 31303048.

The previous prime is 32421013. The next prime is 32421079. The reversal of 32421043 is 34012423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32421043 is a prime.

It is a super-2 number, since 2×32421043² = 2102248058415698, which contains 22 as substring.

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 32421043.

It is not an unprimeable number, because it can be changed into a prime (32421013) 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, 558955 + ... + 559012.

It is an arithmetic number, because the mean of its divisors is an integer number (8384760).

Almost surely, 2^32421043 is an apocalyptic number.

32421043 is a deficient number, since it is larger than the sum of its proper divisors (1117997).

32421043 is a wasteful number, since it uses less digits than its factorization.

32421043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1117996.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 32421043 is about 5693.9479274050. The cubic root of 32421043 is about 318.8665728688.

Adding to 32421043 its reverse (34012423), we get a palindrome (66433466).

The spelling of 32421043 in words is "thirty-two million, four hundred twenty-one thousand, forty-three".