561841036 has 6 divisors (see below), whose sum is σ = 983221820. Its totient is φ = 280920516.

The previous prime is 561841031. The next prime is 561841043. The reversal of 561841036 is 630148165.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 561840992 and 561841010.

It is not an unprimeable number, because it can be changed into a prime (561841031) 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 as a sum of consecutive naturals, namely, 70230126 + ... + 70230133.

Almost surely, 2^561841036 is an apocalyptic number.

It is an amenable number.

561841036 is a deficient number, since it is larger than the sum of its proper divisors (421380784).

561841036 is a wasteful number, since it uses less digits than its factorization.

561841036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140460263 (or 140460261 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 561841036 is about 23703.1861993277. The cubic root of 561841036 is about 825.1593379415.

The spelling of 561841036 in words is "five hundred sixty-one million, eight hundred forty-one thousand, thirty-six".