561605010 has 64 divisors (see below), whose sum is σ = 1399870080. Its totient is φ = 144023040.

The previous prime is 561604999. The next prime is 561605027. The reversal of 561605010 is 10506165.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245070 + ... + 247350.

It is an arithmetic number, because the mean of its divisors is an integer number (21872970).

Almost surely, 2^561605010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 561605010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (699935040).

561605010 is an abundant number, since it is smaller than the sum of its proper divisors (838265070).

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

561605010 is a wasteful number, since it uses less digits than its factorization.

561605010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2603.

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 561605010 is about 23698.2068941935. The cubic root of 561605010 is about 825.0437736186.

The spelling of 561605010 in words is "five hundred sixty-one million, six hundred five thousand, ten".