561925268 has 24 divisors (see below), whose sum is σ = 996072000. Its totient is φ = 277348608.

The previous prime is 561925267. The next prime is 561925277. The reversal of 561925268 is 862529165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561925267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168683 + ... + 171981.

It is an arithmetic number, because the mean of its divisors is an integer number (41503000).

Almost surely, 2^561925268 is an apocalyptic number.

It is an amenable number.

561925268 is a deficient number, since it is larger than the sum of its proper divisors (434146732).

561925268 is a wasteful number, since it uses less digits than its factorization.

561925268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3839 (or 3837 counting only the distinct ones).

The product of its digits is 259200, while the sum is 44.

The square root of 561925268 is about 23704.9629402790. The cubic root of 561925268 is about 825.2005722312.

The spelling of 561925268 in words is "five hundred sixty-one million, nine hundred twenty-five thousand, two hundred sixty-eight".