561607012 has 12 divisors (see below), whose sum is σ = 1006783596. Its totient is φ = 273954560.

The previous prime is 561607001. The next prime is 561607021. The reversal of 561607012 is 210706165.

It can be written as a sum of positive squares in 2 ways, for example, as 107661376 + 453945636 = 10376^2 + 21306^2 .

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, 1712053 + ... + 1712380.

It is an arithmetic number, because the mean of its divisors is an integer number (83898633).

Almost surely, 2^561607012 is an apocalyptic number.

It is an amenable number.

561607012 is a deficient number, since it is larger than the sum of its proper divisors (445176584).

561607012 is a wasteful number, since it uses less digits than its factorization.

561607012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424478 (or 3424476 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 561607012 is about 23698.2491336385. The cubic root of 561607012 is about 825.0447539848.

The spelling of 561607012 in words is "five hundred sixty-one million, six hundred seven thousand, twelve".