196775317 has 2 divisors, whose sum is σ = 196775318. Its totient is φ = 196775316.

The previous prime is 196775309. The next prime is 196775339. The reversal of 196775317 is 713577691.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 190826596 + 5948721 = 13814^2 + 2439^2 .

It is a cyclic number.

It is not a de Polignac number, because 196775317 - 2³ = 196775309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (196775347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98387658 + 98387659.

It is an arithmetic number, because the mean of its divisors is an integer number (98387659).

Almost surely, 2^196775317 is an apocalyptic number.

It is an amenable number.

196775317 is a deficient number, since it is larger than the sum of its proper divisors (1).

196775317 is an equidigital number, since it uses as much as digits as its factorization.

196775317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 277830, while the sum is 46.

The square root of 196775317 is about 14027.6625636633. The cubic root of 196775317 is about 581.6434925711.

It can be divided in two parts, 1967 and 75317, that added together give a square (77284 = 278²).

The spelling of 196775317 in words is "one hundred ninety-six million, seven hundred seventy-five thousand, three hundred seventeen".