575110661 has 2 divisors, whose sum is σ = 575110662. Its totient is φ = 575110660.

The previous prime is 575110651. The next prime is 575110709. The reversal of 575110661 is 166011575.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 537961636 + 37149025 = 23194^2 + 6095^2 .

It is a cyclic number.

It is not a de Polignac number, because 575110661 - 2¹⁸ = 574848517 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (575110631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 287555330 + 287555331.

It is an arithmetic number, because the mean of its divisors is an integer number (287555331).

Almost surely, 2^575110661 is an apocalyptic number.

It is an amenable number.

575110661 is a deficient number, since it is larger than the sum of its proper divisors (1).

575110661 is an equidigital number, since it uses as much as digits as its factorization.

575110661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 575110661 is about 23981.4649469126. The cubic root of 575110661 is about 831.6050911279.

The spelling of 575110661 in words is "five hundred seventy-five million, one hundred ten thousand, six hundred sixty-one".