561002300 has 18 divisors (see below), whose sum is σ = 1217375208. Its totient is φ = 224400880.

The previous prime is 561002263. The next prime is 561002317. The reversal of 561002300 is 3200165.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2804912 + ... + 2805111.

It is an arithmetic number, because the mean of its divisors is an integer number (67631956).

Almost surely, 2^561002300 is an apocalyptic number.

561002300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

561002300 is an abundant number, since it is smaller than the sum of its proper divisors (656372908).

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

561002300 is a wasteful number, since it uses less digits than its factorization.

561002300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610037 (or 5610030 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 561002300 is about 23685.4871176423. The cubic root of 561002300 is about 824.7485245165.

Adding to 561002300 its reverse (3200165), we get a palindrome (564202465).

The spelling of 561002300 in words is "five hundred sixty-one million, two thousand, three hundred".