561264027 has 8 divisors (see below), whose sum is σ = 792372816. Its totient is φ = 352165632.

The previous prime is 561264007. The next prime is 561264031. The reversal of 561264027 is 720462165.

561264027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 561264027 - 2¹¹ = 561261979 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (561264007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5502538 + ... + 5502639.

It is an arithmetic number, because the mean of its divisors is an integer number (99046602).

Almost surely, 2^561264027 is an apocalyptic number.

561264027 is a deficient number, since it is larger than the sum of its proper divisors (231108789).

561264027 is a wasteful number, since it uses less digits than its factorization.

561264027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11005197.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 561264027 is about 23691.0115233605. The cubic root of 561264027 is about 824.8767624918.

The spelling of 561264027 in words is "five hundred sixty-one million, two hundred sixty-four thousand, twenty-seven".