561268347 has 8 divisors (see below), whose sum is σ = 749253120. Its totient is φ = 373731240.

The previous prime is 561268339. The next prime is 561268369. The reversal of 561268347 is 743862165.

561268347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 561268347 - 2³ = 561268339 is a prime.

It is a super-2 number, since 2×561268347² = 630044314688224818, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 561268299 and 561268308.

It is not an unprimeable number, because it can be changed into a prime (561268307) 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, 108979 + ... + 114012.

It is an arithmetic number, because the mean of its divisors is an integer number (93656640).

Almost surely, 2^561268347 is an apocalyptic number.

561268347 is a deficient number, since it is larger than the sum of its proper divisors (187984773).

561268347 is a wasteful number, since it uses less digits than its factorization.

561268347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223833.

The product of its digits is 241920, while the sum is 42.

The square root of 561268347 is about 23691.1026970042. The cubic root of 561268347 is about 824.8788788210.

The spelling of 561268347 in words is "five hundred sixty-one million, two hundred sixty-eight thousand, three hundred forty-seven".