561475183 has 4 divisors (see below), whose sum is σ = 565573680. Its totient is φ = 557376688.

The previous prime is 561475181. The next prime is 561475217. The reversal of 561475183 is 381574165.

It is a happy number.

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 561475183 - 2¹ = 561475181 is a prime.

It is a super-2 number, since 2×561475183² = 630508762249766978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561475181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049043 + ... + 2049316.

It is an arithmetic number, because the mean of its divisors is an integer number (141393420).

Almost surely, 2^561475183 is an apocalyptic number.

561475183 is a deficient number, since it is larger than the sum of its proper divisors (4098497).

561475183 is a wasteful number, since it uses less digits than its factorization.

561475183 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098496.

The product of its digits is 100800, while the sum is 40.

The square root of 561475183 is about 23695.4675623842. The cubic root of 561475183 is about 824.9801932190.

The spelling of 561475183 in words is "five hundred sixty-one million, four hundred seventy-five thousand, one hundred eighty-three".