32256641 has 4 divisors (see below), whose sum is σ = 32542212. Its totient is φ = 31971072.

The previous prime is 32256619. The next prime is 32256677. The reversal of 32256641 is 14665223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14665223 = 2267 ⋅6469.

It can be written as a sum of positive squares in 2 ways, for example, as 8976016 + 23280625 = 2996^2 + 4825^2 .

It is a cyclic number.

It is not a de Polignac number, because 32256641 - 2¹⁸ = 31994497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32256691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142616 + ... + 142841.

It is an arithmetic number, because the mean of its divisors is an integer number (8135553).

Almost surely, 2^32256641 is an apocalyptic number.

It is an amenable number.

32256641 is a deficient number, since it is larger than the sum of its proper divisors (285571).

32256641 is a wasteful number, since it uses less digits than its factorization.

32256641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285570.

The product of its digits is 8640, while the sum is 29.

The square root of 32256641 is about 5679.4930231492. The cubic root of 32256641 is about 318.3266852286.

The spelling of 32256641 in words is "thirty-two million, two hundred fifty-six thousand, six hundred forty-one".