561523426 has 8 divisors (see below), whose sum is σ = 878906304. Its totient is φ = 268554660.

The previous prime is 561523423. The next prime is 561523453. The reversal of 561523426 is 624325165.

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

It is a junction number, because it is equal to n+sod(n) for n = 561523391 and 561523400.

It is not an unprimeable number, because it can be changed into a prime (561523421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6103470 + ... + 6103561.

It is an arithmetic number, because the mean of its divisors is an integer number (109863288).

Almost surely, 2^561523426 is an apocalyptic number.

561523426 is a deficient number, since it is larger than the sum of its proper divisors (317382878).

561523426 is a wasteful number, since it uses less digits than its factorization.

561523426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12207056.

The product of its digits is 43200, while the sum is 34.

The square root of 561523426 is about 23696.4855200091. The cubic root of 561523426 is about 825.0038204904.

The spelling of 561523426 in words is "five hundred sixty-one million, five hundred twenty-three thousand, four hundred twenty-six".