3229561 has 4 divisors (see below), whose sum is σ = 3259300. Its totient is φ = 3199824.

The previous prime is 3229559. The next prime is 3229573. The reversal of 3229561 is 1659223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 608400 = 1619^2 + 780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3229561 - 2¹ = 3229559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3229531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14706 + ... + 14923.

It is an arithmetic number, because the mean of its divisors is an integer number (814825).

Almost surely, 2^3229561 is an apocalyptic number.

It is an amenable number.

3229561 is a deficient number, since it is larger than the sum of its proper divisors (29739).

3229561 is a wasteful number, since it uses less digits than its factorization.

3229561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29738.

The product of its digits is 3240, while the sum is 28.

The square root of 3229561 is about 1797.0979383439. The cubic root of 3229561 is about 147.8136350364.

The spelling of 3229561 in words is "three million, two hundred twenty-nine thousand, five hundred sixty-one".