608171897 has 2 divisors, whose sum is σ = 608171898. Its totient is φ = 608171896.

The previous prime is 608171887. The next prime is 608171939. The reversal of 608171897 is 798171806.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 445252201 + 162919696 = 21101^2 + 12764^2 .

It is a cyclic number.

It is not a de Polignac number, because 608171897 - 2¹⁰ = 608170873 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (608171827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 304085948 + 304085949.

It is an arithmetic number, because the mean of its divisors is an integer number (304085949).

Almost surely, 2^608171897 is an apocalyptic number.

It is an amenable number.

608171897 is a deficient number, since it is larger than the sum of its proper divisors (1).

608171897 is an equidigital number, since it uses as much as digits as its factorization.

608171897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 169344, while the sum is 47.

The square root of 608171897 is about 24661.1414374923. The cubic root of 608171897 is about 847.2445476358.

The spelling of 608171897 in words is "six hundred eight million, one hundred seventy-one thousand, eight hundred ninety-seven".