32332561 has 8 divisors (see below), whose sum is σ = 33515240. Its totient is φ = 31166208.

The previous prime is 32332541. The next prime is 32332583. The reversal of 32332561 is 16523323.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15366400 + 16966161 = 3920^2 + 4119^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 32332561 - 2⁵ = 32332529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32332541) 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, 25 + ... + 8041.

It is an arithmetic number, because the mean of its divisors is an integer number (4189405).

Almost surely, 2^32332561 is an apocalyptic number.

It is an amenable number.

32332561 is a deficient number, since it is larger than the sum of its proper divisors (1182679).

32332561 is a wasteful number, since it uses less digits than its factorization.

32332561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8163.

The product of its digits is 3240, while the sum is 25.

The square root of 32332561 is about 5686.1727901990. The cubic root of 32332561 is about 318.5762299802.

Adding to 32332561 its reverse (16523323), we get a palindrome (48855884).

The spelling of 32332561 in words is "thirty-two million, three hundred thirty-two thousand, five hundred sixty-one".