561316141 has 8 divisors (see below), whose sum is σ = 580949280. Its totient is φ = 541701552.

The previous prime is 561316139. The next prime is 561316169. The reversal of 561316141 is 141613165.

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 561316141 - 2¹ = 561316139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561316111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89866 + ... + 95908.

It is an arithmetic number, because the mean of its divisors is an integer number (72618660).

Almost surely, 2^561316141 is an apocalyptic number.

It is an amenable number.

561316141 is a deficient number, since it is larger than the sum of its proper divisors (19633139).

561316141 is a wasteful number, since it uses less digits than its factorization.

561316141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9275.

The product of its digits is 2160, while the sum is 28.

The square root of 561316141 is about 23692.1113664443. Note that the first 3 decimals coincide. The cubic root of 561316141 is about 824.9022919486.

The spelling of 561316141 in words is "five hundred sixty-one million, three hundred sixteen thousand, one hundred forty-one".