561064316 has 12 divisors (see below), whose sum is σ = 985776120. Its totient is φ = 279414000.

The previous prime is 561064303. The next prime is 561064423. The reversal of 561064316 is 613460165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278411 + ... + 280418.

It is an arithmetic number, because the mean of its divisors is an integer number (82148010).

Almost surely, 2^561064316 is an apocalyptic number.

It is an amenable number.

561064316 is a deficient number, since it is larger than the sum of its proper divisors (424711804).

561064316 is a wasteful number, since it uses less digits than its factorization.

561064316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559084 (or 559082 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 561064316 is about 23686.7962375666. The cubic root of 561064316 is about 824.7789140056.

The spelling of 561064316 in words is "five hundred sixty-one million, sixty-four thousand, three hundred sixteen".