32505243 has 4 divisors (see below), whose sum is σ = 43340328. Its totient is φ = 21670160.

The previous prime is 32505223. The next prime is 32505281. The reversal of 32505243 is 34250523.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 32505243 - 2⁵ = 32505211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32505223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417538 + ... + 5417543.

It is an arithmetic number, because the mean of its divisors is an integer number (10835082).

Almost surely, 2^32505243 is an apocalyptic number.

32505243 is a deficient number, since it is larger than the sum of its proper divisors (10835085).

32505243 is a wasteful number, since it uses less digits than its factorization.

32505243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10835084.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 32505243 is about 5701.3369484709. The cubic root of 32505243 is about 319.1423747741.

Adding to 32505243 its reverse (34250523), we get a palindrome (66755766).

The spelling of 32505243 in words is "thirty-two million, five hundred five thousand, two hundred forty-three".