8561941 has 4 divisors (see below), whose sum is σ = 8670400. Its totient is φ = 8453484.

The previous prime is 8561939. The next prime is 8561953. The reversal of 8561941 is 1491658.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8561941 - 2¹ = 8561939 is a prime.

It is a Duffinian number.

8561941 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 8561897 and 8561906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8561041) 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, 54111 + ... + 54268.

It is an arithmetic number, because the mean of its divisors is an integer number (2167600).

Almost surely, 2^8561941 is an apocalyptic number.

It is an amenable number.

8561941 is a deficient number, since it is larger than the sum of its proper divisors (108459).

8561941 is a wasteful number, since it uses less digits than its factorization.

8561941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108458.

The product of its digits is 8640, while the sum is 34.

The square root of 8561941 is about 2926.0794589348. The cubic root of 8561941 is about 204.5772848093.

It can be divided in two parts, 85 and 61941, that added together give a palindrome (62026).

The spelling of 8561941 in words is "eight million, five hundred sixty-one thousand, nine hundred forty-one".