3245681 has 8 divisors (see below), whose sum is σ = 3324384. Its totient is φ = 3168000.

The previous prime is 3245659. The next prime is 3245687. The reversal of 3245681 is 1865423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3245681 is a prime.

It is a super-2 number, since 2×3245681² = 21068890307522, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹¹ + 2¹⁵ + 4¹⁰ + 5⁹ + 6⁴ + 8⁵ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245687) 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, 12806 + ... + 13056.

It is an arithmetic number, because the mean of its divisors is an integer number (415548).

Almost surely, 2^3245681 is an apocalyptic number.

It is an amenable number.

3245681 is a deficient number, since it is larger than the sum of its proper divisors (78703).

3245681 is a wasteful number, since it uses less digits than its factorization.

3245681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511.

The product of its digits is 5760, while the sum is 29.

The square root of 3245681 is about 1801.5773644226. The cubic root of 3245681 is about 148.0591588431.

The spelling of 3245681 in words is "three million, two hundred forty-five thousand, six hundred eighty-one".