561012427 has 8 divisors (see below), whose sum is σ = 599464800. Its totient is φ = 523165824.

The previous prime is 561012407. The next prime is 561012433. The reversal of 561012427 is 724210165.

561012427 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 a cyclic number.

It is not a de Polignac number, because 561012427 - 2²⁷ = 426794699 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 561012395 and 561012404.

It is not an unprimeable number, because it can be changed into a prime (561012407) 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, 149527 + ... + 153232.

It is an arithmetic number, because the mean of its divisors is an integer number (74933100).

Almost surely, 2^561012427 is an apocalyptic number.

561012427 is a deficient number, since it is larger than the sum of its proper divisors (38452373).

561012427 is a wasteful number, since it uses less digits than its factorization.

561012427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302885.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 561012427 is about 23685.7008973769. The cubic root of 561012427 is about 824.7534871688.

The spelling of 561012427 in words is "five hundred sixty-one million, twelve thousand, four hundred twenty-seven".