617106197 has 2 divisors, whose sum is σ = 617106198. Its totient is φ = 617106196.

The previous prime is 617106107. The next prime is 617106229. The reversal of 617106197 is 791601716.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 503598481 + 113507716 = 22441^2 + 10654^2 .

It is a cyclic number.

It is not a de Polignac number, because 617106197 - 2¹⁶ = 617040661 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 617106197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (617106107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308553098 + 308553099.

It is an arithmetic number, because the mean of its divisors is an integer number (308553099).

Almost surely, 2^617106197 is an apocalyptic number.

It is an amenable number.

617106197 is a deficient number, since it is larger than the sum of its proper divisors (1).

617106197 is an equidigital number, since it uses as much as digits as its factorization.

617106197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15876, while the sum is 38.

The square root of 617106197 is about 24841.6222698921. The cubic root of 617106197 is about 851.3731884715.

The spelling of 617106197 in words is "six hundred seventeen million, one hundred six thousand, one hundred ninety-seven".