561725304 has 64 divisors (see below), whose sum is σ = 1627568640. Its totient is φ = 158229120.

The previous prime is 561725299. The next prime is 561725309. The reversal of 561725304 is 403527165.

It is an interprime number because it is at equal distance from previous prime (561725299) and next prime (561725309).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561725309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11619 + ... + 35474.

It is an arithmetic number, because the mean of its divisors is an integer number (25430760).

Almost surely, 2^561725304 is an apocalyptic number.

It is an amenable number.

561725304 is an abundant number, since it is smaller than the sum of its proper divisors (1065843336).

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

561725304 is a wasteful number, since it uses less digits than its factorization.

561725304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47180 (or 47176 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 561725304 is about 23700.7447984235. The cubic root of 561725304 is about 825.1026766605.

The spelling of 561725304 in words is "five hundred sixty-one million, seven hundred twenty-five thousand, three hundred four".