561163452 has 24 divisors (see below), whose sum is σ = 1310064000. Its totient is φ = 186956976.

The previous prime is 561163441. The next prime is 561163507. The reversal of 561163452 is 254361165.

561163452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14049 + ... + 36327.

It is an arithmetic number, because the mean of its divisors is an integer number (54586000).

Almost surely, 2^561163452 is an apocalyptic number.

It is an amenable number.

561163452 is an abundant number, since it is smaller than the sum of its proper divisors (748900548).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

561163452 is a wasteful number, since it uses less digits than its factorization.

561163452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24385 (or 24383 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 561163452 is about 23688.8887877840. Note that the first 3 decimals coincide. The cubic root of 561163452 is about 824.8274886311.

The spelling of 561163452 in words is "five hundred sixty-one million, one hundred sixty-three thousand, four hundred fifty-two".