32245681 has 8 divisors (see below), whose sum is σ = 35001344. Its totient is φ = 29529360.

The previous prime is 32245663. The next prime is 32245711. The reversal of 32245681 is 18654223.

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 32245681 - 2¹¹ = 32243633 is a prime.

It is a super-2 number, since 2×32245681² = 2079567886307522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (32245621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8115 + ... + 11416.

It is an arithmetic number, because the mean of its divisors is an integer number (4375168).

Almost surely, 2^32245681 is an apocalyptic number.

It is an amenable number.

32245681 is a deficient number, since it is larger than the sum of its proper divisors (2755663).

32245681 is a wasteful number, since it uses less digits than its factorization.

32245681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19671.

The product of its digits is 11520, while the sum is 31.

The square root of 32245681 is about 5678.5280663214. The cubic root of 32245681 is about 318.2906279953.

The spelling of 32245681 in words is "thirty-two million, two hundred forty-five thousand, six hundred eighty-one".