561215608 has 16 divisors (see below), whose sum is σ = 1052989560. Its totient is φ = 280418400.

The previous prime is 561215587. The next prime is 561215609. The reversal of 561215608 is 806512165.

It is a happy number.

561215608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561215609) 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, 10663 + ... + 35158.

Almost surely, 2^561215608 is an apocalyptic number.

It is an amenable number.

561215608 is a deficient number, since it is larger than the sum of its proper divisors (491773952).

561215608 is a wasteful number, since it uses less digits than its factorization.

561215608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47358 (or 47354 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 561215608 is about 23689.9896158694. The cubic root of 561215608 is about 824.8530417147.

The spelling of 561215608 in words is "five hundred sixty-one million, two hundred fifteen thousand, six hundred eight".