561550713 has 4 divisors (see below), whose sum is σ = 748734288. Its totient is φ = 374367140.

The previous prime is 561550699. The next prime is 561550721. The reversal of 561550713 is 317055165.

561550713 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 561550713 - 2⁴ = 561550697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (561550733) 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, 93591783 + ... + 93591788.

It is an arithmetic number, because the mean of its divisors is an integer number (187183572).

Almost surely, 2^561550713 is an apocalyptic number.

It is an amenable number.

561550713 is a deficient number, since it is larger than the sum of its proper divisors (187183575).

561550713 is a wasteful number, since it uses less digits than its factorization.

561550713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187183574.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 561550713 is about 23697.0612734997. The cubic root of 561550713 is about 825.0171838478.

The spelling of 561550713 in words is "five hundred sixty-one million, five hundred fifty thousand, seven hundred thirteen".