32905045 has 4 divisors (see below), whose sum is σ = 39486060. Its totient is φ = 26324032.

The previous prime is 32905031. The next prime is 32905049. The reversal of 32905045 is 54050923.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54050923 = 4339 ⋅12457.

It can be written as a sum of positive squares in 2 ways, for example, as 3755844 + 29149201 = 1938^2 + 5399^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32905045 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32905049) 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, 3290500 + ... + 3290509.

It is an arithmetic number, because the mean of its divisors is an integer number (9871515).

Almost surely, 2^32905045 is an apocalyptic number.

It is an amenable number.

32905045 is a deficient number, since it is larger than the sum of its proper divisors (6581015).

32905045 is an equidigital number, since it uses as much as digits as its factorization.

32905045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6581014.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 32905045 is about 5736.2919207446. The cubic root of 32905045 is about 320.4454895478.

Adding to 32905045 its reverse (54050923), we get a palindrome (86955968).

The spelling of 32905045 in words is "thirty-two million, nine hundred five thousand, forty-five".