32412421 has 4 divisors (see below), whose sum is σ = 34319052. Its totient is φ = 30505792.

The previous prime is 32412403. The next prime is 32412433. The reversal of 32412421 is 12421423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12421423 = 7 ⋅1774489.

It can be written as a sum of positive squares in 2 ways, for example, as 15888196 + 16524225 = 3986^2 + 4065^2 .

It is a cyclic number.

It is not a de Polignac number, because 32412421 - 2⁹ = 32411909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32412491) 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 3 ways as a sum of consecutive naturals, for example, 953290 + ... + 953323.

It is an arithmetic number, because the mean of its divisors is an integer number (8579763).

Almost surely, 2^32412421 is an apocalyptic number.

It is an amenable number.

32412421 is a deficient number, since it is larger than the sum of its proper divisors (1906631).

32412421 is a wasteful number, since it uses less digits than its factorization.

32412421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1906630.

The product of its digits is 384, while the sum is 19.

The square root of 32412421 is about 5693.1907573873. The cubic root of 32412421 is about 318.8383040750.

Adding to 32412421 its reverse (12421423), we get a palindrome (44833844).

The spelling of 32412421 in words is "thirty-two million, four hundred twelve thousand, four hundred twenty-one".