561600615 has 16 divisors (see below), whose sum is σ = 922847328. Its totient is φ = 291424896.

The previous prime is 561600601. The next prime is 561600623. The reversal of 561600615 is 516006165.

561600615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 561600615 - 2⁵ = 561600583 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 505392 + ... + 506501.

It is an arithmetic number, because the mean of its divisors is an integer number (57677958).

Almost surely, 2^561600615 is an apocalyptic number.

561600615 is a deficient number, since it is larger than the sum of its proper divisors (361246713).

561600615 is a wasteful number, since it uses less digits than its factorization.

561600615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011938.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 561600615 is about 23698.1141654774. The cubic root of 561600615 is about 825.0416214080.

The spelling of 561600615 in words is "five hundred sixty-one million, six hundred thousand, six hundred fifteen".