4205213197 has 2 divisors, whose sum is σ = 4205213198. Its totient is φ = 4205213196.

The previous prime is 4205213189. The next prime is 4205213203. The reversal of 4205213197 is 7913125024.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2138692516 + 2066520681 = 46246^2 + 45459^2 .

It is a cyclic number.

It is not a de Polignac number, because 4205213197 - 2³ = 4205213189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4205213497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2102606598 + 2102606599.

It is an arithmetic number, because the mean of its divisors is an integer number (2102606599).

Almost surely, 2^4205213197 is an apocalyptic number.

It is an amenable number.

4205213197 is a deficient number, since it is larger than the sum of its proper divisors (1).

4205213197 is an equidigital number, since it uses as much as digits as its factorization.

4205213197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 4205213197 is about 64847.6151990187. The cubic root of 4205213197 is about 1614.0959193348.

The spelling of 4205213197 in words is "four billion, two hundred five million, two hundred thirteen thousand, one hundred ninety-seven".