32540601221 has 16 divisors (see below), whose sum is σ = 34585770240. Its totient is φ = 30510224640.

The previous prime is 32540601211. The next prime is 32540601239. The reversal of 32540601221 is 12210604523.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 32540601221 - 2¹⁸ = 32540339077 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 (32540601211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5220935 + ... + 5227163.

It is an arithmetic number, because the mean of its divisors is an integer number (2161610640).

Almost surely, 2^32540601221 is an apocalyptic number.

It is an amenable number.

32540601221 is a deficient number, since it is larger than the sum of its proper divisors (2045169019).

32540601221 is a wasteful number, since it uses less digits than its factorization.

32540601221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7364.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 32540601221 in words is "thirty-two billion, five hundred forty million, six hundred one thousand, two hundred twenty-one".