32089561 has 6 divisors (see below), whose sum is σ = 37328730. Its totient is φ = 27505296.

The previous prime is 32089517. The next prime is 32089609. The reversal of 32089561 is 16598023.

It can be written as a sum of positive squares in only one way, i.e., 31990336 + 99225 = 5656^2 + 315^2 .

It is not a de Polignac number, because 32089561 - 2¹³ = 32081369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32089501) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327396 + ... + 327493.

It is an arithmetic number, because the mean of its divisors is an integer number (6221455).

Almost surely, 2^32089561 is an apocalyptic number.

It is an amenable number.

32089561 is a deficient number, since it is larger than the sum of its proper divisors (5239169).

32089561 is an equidigital number, since it uses as much as digits as its factorization.

32089561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654903 (or 654896 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 32089561 is about 5664.7648671414. The cubic root of 32089561 is about 317.7761203893.

It can be divided in two parts, 3208 and 9561, that added together give a square (12769 = 113²).

The spelling of 32089561 in words is "thirty-two million, eighty-nine thousand, five hundred sixty-one".