32643413 has 4 divisors (see below), whose sum is σ = 35611008. Its totient is φ = 29675820.

The previous prime is 32643379. The next prime is 32643431. The reversal of 32643413 is 31434623.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31434623 = 11 ⋅2857693.

It is a cyclic number.

It is not a de Polignac number, because 32643413 - 2⁸ = 32643157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32643433) 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, 1483781 + ... + 1483802.

It is an arithmetic number, because the mean of its divisors is an integer number (8902752).

Almost surely, 2^32643413 is an apocalyptic number.

It is an amenable number.

32643413 is a deficient number, since it is larger than the sum of its proper divisors (2967595).

32643413 is a wasteful number, since it uses less digits than its factorization.

32643413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967594.

The product of its digits is 5184, while the sum is 26.

The square root of 32643413 is about 5713.4414322718. The cubic root of 32643413 is about 319.5939282828.

The spelling of 32643413 in words is "thirty-two million, six hundred forty-three thousand, four hundred thirteen".