561110539 has 8 divisors (see below), whose sum is σ = 612302400. Its totient is φ = 509949000.

The previous prime is 561110521. The next prime is 561110567. The reversal of 561110539 is 935011165.

561110539 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 561110539 - 2⁹ = 561110027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 561110539.

It is not an unprimeable number, because it can be changed into a prime (561110579) 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, 50512 + ... + 60610.

It is an arithmetic number, because the mean of its divisors is an integer number (76537800).

Almost surely, 2^561110539 is an apocalyptic number.

561110539 is a deficient number, since it is larger than the sum of its proper divisors (51191861).

561110539 is a wasteful number, since it uses less digits than its factorization.

561110539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15161.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 561110539 is about 23687.7719298376. The cubic root of 561110539 is about 824.8015630483.

The spelling of 561110539 in words is "five hundred sixty-one million, one hundred ten thousand, five hundred thirty-nine".