575345561 has 16 divisors (see below), whose sum is σ = 663527424. Its totient is φ = 488681424.

The previous prime is 575345543. The next prime is 575345623. The reversal of 575345561 is 165543575.

It is not a de Polignac number, because 575345561 - 2¹⁰ = 575344537 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (575347561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540716 + ... + 541778.

It is an arithmetic number, because the mean of its divisors is an integer number (41470464).

Almost surely, 2^575345561 is an apocalyptic number.

It is an amenable number.

575345561 is a deficient number, since it is larger than the sum of its proper divisors (88181863).

575345561 is a wasteful number, since it uses less digits than its factorization.

575345561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1700.

The product of its digits is 315000, while the sum is 41.

The square root of 575345561 is about 23986.3619792581. The cubic root of 575345561 is about 831.7182968462.

The spelling of 575345561 in words is "five hundred seventy-five million, three hundred forty-five thousand, five hundred sixty-one".