561598260 has 24 divisors (see below), whose sum is σ = 1572475296. Its totient is φ = 149759520.

The previous prime is 561598243. The next prime is 561598283. The reversal of 561598260 is 62895165.

561598260 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, 4679926 + ... + 4680045.

It is an arithmetic number, because the mean of its divisors is an integer number (65519804).

Almost surely, 2^561598260 is an apocalyptic number.

It is an amenable number.

561598260 is an abundant number, since it is smaller than the sum of its proper divisors (1010877036).

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

561598260 is a wasteful number, since it uses less digits than its factorization.

561598260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9359983 (or 9359981 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 42.

The square root of 561598260 is about 23698.0644779273. The cubic root of 561598260 is about 825.0404681710.

The spelling of 561598260 in words is "five hundred sixty-one million, five hundred ninety-eight thousand, two hundred sixty".