3243159561 has 8 divisors (see below), whose sum is σ = 4325025024. Its totient is φ = 2161700240.

The previous prime is 3243159559. The next prime is 3243159641. The reversal of 3243159561 is 1659513423.

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 3243159561 - 2¹ = 3243159559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3243159541) 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, 82386 + ... + 115211.

It is an arithmetic number, because the mean of its divisors is an integer number (540628128).

Almost surely, 2^3243159561 is an apocalyptic number.

It is an amenable number.

3243159561 is a deficient number, since it is larger than the sum of its proper divisors (1081865463).

3243159561 is a wasteful number, since it uses less digits than its factorization.

3243159561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203071.

The product of its digits is 97200, while the sum is 39.

The square root of 3243159561 is about 56948.7450344606. The cubic root of 3243159561 is about 1480.2080850897.

The spelling of 3243159561 in words is "three billion, two hundred forty-three million, one hundred fifty-nine thousand, five hundred sixty-one".