561195 has 16 divisors (see below), whose sum is σ = 997920. Its totient is φ = 299232.

The previous prime is 561191. The next prime is 561199. The reversal of 561195 is 591165.

It is an interprime number because it is at equal distance from previous prime (561191) and next prime (561199).

It is not a de Polignac number, because 561195 - 2² = 561191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (561191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1944 + ... + 2213.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁵⁶¹¹⁹⁵ is an apocalyptic number.

561195 is a deficient number, since it is larger than the sum of its proper divisors (436725).

561195 is a wasteful number, since it uses less digits than its factorization.

561195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4171 (or 4165 counting only the distinct ones).

The product of its digits is 1350, while the sum is 27.

The square root of 561195 is about 749.1294948138. The cubic root of 561195 is about 82.4842945310.

The spelling of 561195 in words is "five hundred sixty-one thousand, one hundred ninety-five".