4330561 has 3 divisors (see below), whose sum is σ = 4332643. Its totient is φ = 4328480.

The previous prime is 4330559. The next prime is 4330567. The reversal of 4330561 is 1650334.

The square root of 4330561 is 2081.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 1640961 + 2689600 = 1281^2 + 1640^2 .

It is not a de Polignac number, because 4330561 - 2¹ = 4330559 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4330567) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1041 + ... + 3121.

Almost surely, 2^4330561 is an apocalyptic number.

4330561 is the 2081-st square number.

4330561 is the 1041-st centered octagonal number.

It is an amenable number.

4330561 is a deficient number, since it is larger than the sum of its proper divisors (2082).

4330561 is an frugal number, since it uses more digits than its factorization.

4330561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162 (or 2081 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The cubic root of 4330561 is about 162.9976664200.

Adding to 4330561 its reverse (1650334), we get a palindrome (5980895).

The spelling of 4330561 in words is "four million, three hundred thirty thousand, five hundred sixty-one".