561110601 has 4 divisors (see below), whose sum is σ = 748147472. Its totient is φ = 374073732.

The previous prime is 561110579. The next prime is 561110623. The reversal of 561110601 is 106011165.

561110601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (561110579) and next prime (561110623).

It is not a de Polignac number, because 561110601 - 2²⁶ = 494001737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (561110681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93518431 + ... + 93518436.

It is an arithmetic number, because the mean of its divisors is an integer number (187036868).

Almost surely, 2^561110601 is an apocalyptic number.

It is an amenable number.

561110601 is a deficient number, since it is larger than the sum of its proper divisors (187036871).

561110601 is a wasteful number, since it uses less digits than its factorization.

561110601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187036870.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 561110601 is about 23687.7732385296. The cubic root of 561110601 is about 824.8015934271.

Adding to 561110601 its reverse (106011165), we get a palindrome (667121766).

The spelling of 561110601 in words is "five hundred sixty-one million, one hundred ten thousand, six hundred one".