3245747321 has 8 divisors (see below), whose sum is σ = 3485078784. Its totient is φ = 3011794240.

The previous prime is 3245747279. The next prime is 3245747357. The reversal of 3245747321 is 1237475423.

3245747321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3245747321 - 2³⁰ = 2172005497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3245747221) 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, 1343345 + ... + 1345758.

It is an arithmetic number, because the mean of its divisors is an integer number (435634848).

Almost surely, 2^3245747321 is an apocalyptic number.

It is an amenable number.

3245747321 is a deficient number, since it is larger than the sum of its proper divisors (239331463).

3245747321 is a wasteful number, since it uses less digits than its factorization.

3245747321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2689191.

The product of its digits is 141120, while the sum is 38.

The square root of 3245747321 is about 56971.4605833482. The cubic root of 3245747321 is about 1480.6016729754.

The spelling of 3245747321 in words is "three billion, two hundred forty-five million, seven hundred forty-seven thousand, three hundred twenty-one".