32534252221 has 4 divisors (see below), whose sum is σ = 32716008000. Its totient is φ = 32352496444.

The previous prime is 32534252213. The next prime is 32534252263. The reversal of 32534252221 is 12225243523.

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.

It is a cyclic number.

It is not a de Polignac number, because 32534252221 - 2³ = 32534252213 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 (32534253221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90877621 + ... + 90877978.

It is an arithmetic number, because the mean of its divisors is an integer number (8179002000).

Almost surely, 2^32534252221 is an apocalyptic number.

It is an amenable number.

32534252221 is a deficient number, since it is larger than the sum of its proper divisors (181755779).

32534252221 is a wasteful number, since it uses less digits than its factorization.

32534252221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181755778.

The product of its digits is 28800, while the sum is 31.

Adding to 32534252221 its reverse (12225243523), we get a palindrome (44759495744).

The spelling of 32534252221 in words is "thirty-two billion, five hundred thirty-four million, two hundred fifty-two thousand, two hundred twenty-one".