561001058 has 16 divisors (see below), whose sum is σ = 853929216. Its totient is φ = 276366240.

The previous prime is 561001057. The next prime is 561001109. The reversal of 561001058 is 850100165.

It is not an unprimeable number, because it can be changed into a prime (561001057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219335 + ... + 221877.

It is an arithmetic number, because the mean of its divisors is an integer number (53370576).

Almost surely, 2^561001058 is an apocalyptic number.

561001058 is a deficient number, since it is larger than the sum of its proper divisors (292928158).

561001058 is a wasteful number, since it uses less digits than its factorization.

561001058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4129.

The product of its (nonzero) digits is 1200, while the sum is 26.

The square root of 561001058 is about 23685.4608990410. The cubic root of 561001058 is about 824.7479158806.

The spelling of 561001058 in words is "five hundred sixty-one million, one thousand, fifty-eight".