561674203 has 8 divisors (see below), whose sum is σ = 596134080. Its totient is φ = 527372160.

The previous prime is 561674173. The next prime is 561674209. The reversal of 561674203 is 302476165.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 561674203 - 2⁹ = 561673691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561674209) 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 7 ways as a sum of consecutive naturals, for example, 32083 + ... + 46396.

It is an arithmetic number, because the mean of its divisors is an integer number (74516760).

Almost surely, 2^561674203 is an apocalyptic number.

561674203 is a deficient number, since it is larger than the sum of its proper divisors (34459877).

561674203 is a wasteful number, since it uses less digits than its factorization.

561674203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78917.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 561674203 is about 23699.6667276145. Note that the first 3 decimals coincide. The cubic root of 561674203 is about 825.0776556226.

The spelling of 561674203 in words is "five hundred sixty-one million, six hundred seventy-four thousand, two hundred three".