575020657 has 4 divisors (see below), whose sum is σ = 575112100. Its totient is φ = 574929216.

The previous prime is 575020637. The next prime is 575020679. The reversal of 575020657 is 756020575.

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 73977201 + 501043456 = 8601^2 + 22384^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-575020657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (575020637) 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 3 ways as a sum of consecutive naturals, for example, 35532 + ... + 49117.

It is an arithmetic number, because the mean of its divisors is an integer number (143778025).

Almost surely, 2^575020657 is an apocalyptic number.

It is an amenable number.

575020657 is a deficient number, since it is larger than the sum of its proper divisors (91443).

575020657 is an equidigital number, since it uses as much as digits as its factorization.

575020657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91442.

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 575020657 is about 23979.5883409203. The cubic root of 575020657 is about 831.5617071936.

The spelling of 575020657 in words is "five hundred seventy-five million, twenty thousand, six hundred fifty-seven".