561611202 has 8 divisors (see below), whose sum is σ = 1123222416. Its totient is φ = 187203732.

The previous prime is 561611191. The next prime is 561611203. The reversal of 561611202 is 202116165.

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

561611202 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (561611203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46800928 + ... + 46800939.

It is an arithmetic number, because the mean of its divisors is an integer number (140402802).

Almost surely, 2^561611202 is an apocalyptic number.

561611202 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

561611202 is a wasteful number, since it uses less digits than its factorization.

561611202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93601872.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 561611202 is about 23698.3375366290. The cubic root of 561611202 is about 825.0468057926.

Adding to 561611202 its reverse (202116165), we get a palindrome (763727367).

The spelling of 561611202 in words is "five hundred sixty-one million, six hundred eleven thousand, two hundred two".