32961573 has 20 divisors (see below), whose sum is σ = 49481740. Its totient is φ = 21866112.

The previous prime is 32961569. The next prime is 32961583. The reversal of 32961573 is 37516923.

32961573 is a `hidden beast` number, since 3 + 29 + 61 + 573 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 24770529 + 8191044 = 4977^2 + 2862^2 .

It is not a de Polignac number, because 32961573 - 2² = 32961569 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 (32961503) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17661 + ... + 19437.

It is an arithmetic number, because the mean of its divisors is an integer number (2474087).

Almost surely, 2^32961573 is an apocalyptic number.

It is an amenable number.

32961573 is a deficient number, since it is larger than the sum of its proper divisors (16520167).

32961573 is a wasteful number, since it uses less digits than its factorization.

32961573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018 (or 2009 counting only the distinct ones).

The product of its digits is 34020, while the sum is 36.

The square root of 32961573 is about 5741.2170312574. The cubic root of 32961573 is about 320.6288837121.

The spelling of 32961573 in words is "thirty-two million, nine hundred sixty-one thousand, five hundred seventy-three".