561906033 has 8 divisors (see below), whose sum is σ = 806839488. Its totient is φ = 345788304.

The previous prime is 561906011. The next prime is 561906061. The reversal of 561906033 is 330609165.

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

It is not a de Polignac number, because 561906033 - 2¹⁴ = 561889649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561905985 and 561906003.

It is not an unprimeable number, because it can be changed into a prime (561905033) 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, 7203885 + ... + 7203962.

It is an arithmetic number, because the mean of its divisors is an integer number (100854936).

Almost surely, 2^561906033 is an apocalyptic number.

It is an amenable number.

561906033 is a deficient number, since it is larger than the sum of its proper divisors (244933455).

561906033 is a wasteful number, since it uses less digits than its factorization.

561906033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14407863.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 561906033 is about 23704.5572200790. The cubic root of 561906033 is about 825.1911564393.

The spelling of 561906033 in words is "five hundred sixty-one million, nine hundred six thousand, thirty-three".