500660197 has 2 divisors, whose sum is σ = 500660198. Its totient is φ = 500660196.

The previous prime is 500660161. The next prime is 500660201. The reversal of 500660197 is 791066005.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 435389956 + 65270241 = 20866^2 + 8079^2 .

It is a cyclic number.

It is not a de Polignac number, because 500660197 - 2¹¹ = 500658149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (500630197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250330098 + 250330099.

It is an arithmetic number, because the mean of its divisors is an integer number (250330099).

Almost surely, 2^500660197 is an apocalyptic number.

It is an amenable number.

500660197 is a deficient number, since it is larger than the sum of its proper divisors (1).

500660197 is an equidigital number, since it uses as much as digits as its factorization.

500660197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 500660197 is about 22375.4373588540. The cubic root of 500660197 is about 794.0497048154.

The spelling of 500660197 in words is "five hundred million, six hundred sixty thousand, one hundred ninety-seven".