561194 has 4 divisors (see below), whose sum is σ = 841794. Its totient is φ = 280596.

The previous prime is 561191. The next prime is 561199. The reversal of 561194 is 491165.

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

It can be written as a sum of positive squares in only one way, i.e., 390625 + 170569 = 625^2 + 413^2 .

It is a Curzon number.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140297 + ... + 140300.

2⁵⁶¹¹⁹⁴ is an apocalyptic number.

561194 is a deficient number, since it is larger than the sum of its proper divisors (280600).

561194 is a wasteful number, since it uses less digits than its factorization.

561194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280599.

The product of its digits is 1080, while the sum is 26.

The square root of 561194 is about 749.1288273722. The cubic root of 561194 is about 82.4842455377.

The spelling of 561194 in words is "five hundred sixty-one thousand, one hundred ninety-four".