32561008 has 30 divisors (see below), whose sum is σ = 65966264. Its totient is φ = 15568608.

The previous prime is 32560991. The next prime is 32561017. The reversal of 32561008 is 80016523.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6541 + ... + 10387.

Almost surely, 2^32561008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32561008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32983132).

32561008 is an abundant number, since it is smaller than the sum of its proper divisors (33405256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32561008 is a wasteful number, since it uses less digits than its factorization.

32561008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901 (or 3872 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 32561008 is about 5706.2253723455. The cubic root of 32561008 is about 319.3247741377.

The spelling of 32561008 in words is "thirty-two million, five hundred sixty-one thousand, eight".