32870561 has 8 divisors (see below), whose sum is σ = 33755400. Its totient is φ = 31989760.

The previous prime is 32870501. The next prime is 32870567. The reversal of 32870561 is 16507823.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5202961 + 27667600 = 2281^2 + 5260^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32870561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32870567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22625 + ... + 24033.

It is an arithmetic number, because the mean of its divisors is an integer number (4219425).

Almost surely, 2^32870561 is an apocalyptic number.

It is an amenable number.

32870561 is a deficient number, since it is larger than the sum of its proper divisors (884839).

32870561 is a wasteful number, since it uses less digits than its factorization.

32870561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2019.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 32870561 is about 5733.2853583264. The cubic root of 32870561 is about 320.3335097113. Note that the first 3 decimals are identical.

The spelling of 32870561 in words is "thirty-two million, eight hundred seventy thousand, five hundred sixty-one".