9541566 has 12 divisors (see below), whose sum is σ = 20673432. Its totient is φ = 3180516.

The previous prime is 9541549. The next prime is 9541577. The reversal of 9541566 is 6651459.

9541566 is a `hidden beast` number, since 95 + 4 + 1 + 566 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 9541566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 265026 + ... + 265061.

It is an arithmetic number, because the mean of its divisors is an integer number (1722786).

Almost surely, 2^9541566 is an apocalyptic number.

9541566 is an abundant number, since it is smaller than the sum of its proper divisors (11131866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9541566 is a wasteful number, since it uses less digits than its factorization.

9541566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530095 (or 530092 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 9541566 is about 3088.9425375037. The cubic root of 9541566 is about 212.0996179506.

It can be divided in two parts, 95415 and 66, that added together give a square (95481 = 309²).

The spelling of 9541566 in words is "nine million, five hundred forty-one thousand, five hundred sixty-six".