561234244 has 6 divisors (see below), whose sum is σ = 982159934. Its totient is φ = 280617120.

The previous prime is 561234239. The next prime is 561234253. The reversal of 561234244 is 442432165.

It can be written as a sum of positive squares in only one way, i.e., 551686144 + 9548100 = 23488^2 + 3090^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70154277 + ... + 70154284.

Almost surely, 2^561234244 is an apocalyptic number.

It is an amenable number.

561234244 is a deficient number, since it is larger than the sum of its proper divisors (420925690).

561234244 is a wasteful number, since it uses less digits than its factorization.

561234244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140308565 (or 140308563 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 561234244 is about 23690.3829432958. The cubic root of 561234244 is about 824.8621717715.

The spelling of 561234244 in words is "five hundred sixty-one million, two hundred thirty-four thousand, two hundred forty-four".