575005561 has 4 divisors (see below), whose sum is σ = 619236772. Its totient is φ = 530774352.

The previous prime is 575005537. The next prime is 575005573. The reversal of 575005561 is 165500575.

575005561 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.

It can be written as a sum of positive squares in 2 ways, for example, as 205635600 + 369369961 = 14340^2 + 19219^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575005561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575005061) 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, 22115586 + ... + 22115611.

It is an arithmetic number, because the mean of its divisors is an integer number (154809193).

Almost surely, 2^575005561 is an apocalyptic number.

It is an amenable number.

575005561 is a deficient number, since it is larger than the sum of its proper divisors (44231211).

575005561 is a wasteful number, since it uses less digits than its factorization.

575005561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44231210.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 575005561 is about 23979.2735711489. The cubic root of 575005561 is about 831.5544301418.

The spelling of 575005561 in words is "five hundred seventy-five million, five thousand, five hundred sixty-one".