8561411 has 4 divisors (see below), whose sum is σ = 8701824. Its totient is φ = 8421000.

The previous prime is 8561407. The next prime is 8561417. The reversal of 8561411 is 1141658.

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

It is a cyclic number.

It is not a de Polignac number, because 8561411 - 2² = 8561407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8561417) 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, 70115 + ... + 70236.

It is an arithmetic number, because the mean of its divisors is an integer number (2175456).

Almost surely, 2^8561411 is an apocalyptic number.

8561411 is a deficient number, since it is larger than the sum of its proper divisors (140413).

8561411 is a wasteful number, since it uses less digits than its factorization.

8561411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140412.

The product of its digits is 960, while the sum is 26.

The square root of 8561411 is about 2925.9888926652. The cubic root of 8561411 is about 204.5730634846.

The spelling of 8561411 in words is "eight million, five hundred sixty-one thousand, four hundred eleven".