561010346 has 16 divisors (see below), whose sum is σ = 907514664. Its totient is φ = 258565824.

The previous prime is 561010313. The next prime is 561010349. The reversal of 561010346 is 643010165.

It can be written as a sum of positive squares in 4 ways, for example, as 560032225 + 978121 = 23665^2 + 989^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (561010349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340 + ... + 33776.

Almost surely, 2^561010346 is an apocalyptic number.

561010346 is a deficient number, since it is larger than the sum of its proper divisors (346504318).

561010346 is a wasteful number, since it uses less digits than its factorization.

561010346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30185.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 561010346 is about 23685.6569678783. The cubic root of 561010346 is about 824.7524673969.

The spelling of 561010346 in words is "five hundred sixty-one million, ten thousand, three hundred forty-six".