561411 has 20 divisors (see below), whose sum is σ = 871200. Its totient is φ = 359856.

The previous prime is 561409. The next prime is 561419. The reversal of 561411 is 114165.

It is not a de Polignac number, because 561411 - 2¹ = 561409 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 561411.

It is not an unprimeable number, because it can be changed into a prime (561419) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2230 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (43560).

2⁵⁶¹⁴¹¹ is an apocalyptic number.

561411 is a deficient number, since it is larger than the sum of its proper divisors (309789).

561411 is a wasteful number, since it uses less digits than its factorization.

561411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 271 counting only the distinct ones).

The product of its digits is 120, while the sum is 18.

The square root of 561411 is about 749.2736482754. The cubic root of 561411 is about 82.4948757148.

Adding to 561411 its reverse (114165), we get a palindrome (675576).

It can be divided in two parts, 5614 and 11, that added together give a square (5625 = 75²).

The spelling of 561411 in words is "five hundred sixty-one thousand, four hundred eleven".