561600604 has 12 divisors (see below), whose sum is σ = 990540544. Its totient is φ = 278589024.

The previous prime is 561600601. The next prime is 561600623. The reversal of 561600604 is 406006165.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561600601) 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, 552249 + ... + 553264.

Almost surely, 2^561600604 is an apocalyptic number.

It is an amenable number.

561600604 is a deficient number, since it is larger than the sum of its proper divisors (428939940).

561600604 is a wasteful number, since it uses less digits than its factorization.

561600604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1105644 (or 1105642 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 561600604 is about 23698.1139333914. The cubic root of 561600604 is about 825.0416160213.

Adding to 561600604 its reverse (406006165), we get a palindrome (967606769).

The spelling of 561600604 in words is "five hundred sixty-one million, six hundred thousand, six hundred four".