32086561 has 16 divisors (see below), whose sum is σ = 35392000. Its totient is φ = 28911168.

The previous prime is 32086553. The next prime is 32086567. The reversal of 32086561 is 16568023.

It is not a de Polignac number, because 32086561 - 2³ = 32086553 is a prime.

It is the 5665-th Hogben number.

It is not an unprimeable number, because it can be changed into a prime (32086567) by changing a digit.

It is a nontrivial repunit in base 5664.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161140 + ... + 161338.

It is an arithmetic number, because the mean of its divisors is an integer number (2212000).

Almost surely, 2^32086561 is an apocalyptic number.

It is an amenable number.

32086561 is a deficient number, since it is larger than the sum of its proper divisors (3305439).

32086561 is a wasteful number, since it uses less digits than its factorization.

32086561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 32086561 is about 5664.5000662018. The cubic root of 32086561 is about 317.7662172927.

The spelling of 32086561 in words is "thirty-two million, eighty-six thousand, five hundred sixty-one".