8532661 has 4 divisors (see below), whose sum is σ = 8576172. Its totient is φ = 8489152.

The previous prime is 8532659. The next prime is 8532679. The reversal of 8532661 is 1662358.

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 8439025 + 93636 = 2905^2 + 306^2 .

It is a cyclic number.

It is not a de Polignac number, because 8532661 - 2¹ = 8532659 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8532631) 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, 21460 + ... + 21853.

It is an arithmetic number, because the mean of its divisors is an integer number (2144043).

Almost surely, 2^8532661 is an apocalyptic number.

It is an amenable number.

8532661 is a deficient number, since it is larger than the sum of its proper divisors (43511).

8532661 is a wasteful number, since it uses less digits than its factorization.

8532661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43510.

The product of its digits is 8640, while the sum is 31.

The square root of 8532661 is about 2921.0718923025. The cubic root of 8532661 is about 204.3438150038.

The spelling of 8532661 in words is "eight million, five hundred thirty-two thousand, six hundred sixty-one".