671017201 has 2 divisors, whose sum is σ = 671017202. Its totient is φ = 671017200.

The previous prime is 671017177. The next prime is 671017211. The reversal of 671017201 is 102710176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 645210801 + 25806400 = 25401^2 + 5080^2 .

It is a cyclic number.

It is not a de Polignac number, because 671017201 - 2⁵ = 671017169 is a prime.

It is not a weakly prime, because it can be changed into another prime (671017211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335508600 + 335508601.

It is an arithmetic number, because the mean of its divisors is an integer number (335508601).

Almost surely, 2^671017201 is an apocalyptic number.

It is an amenable number.

671017201 is a deficient number, since it is larger than the sum of its proper divisors (1).

671017201 is an equidigital number, since it uses as much as digits as its factorization.

671017201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 671017201 is about 25903.9997104694. Note that the first 3 decimals coincide. The cubic root of 671017201 is about 875.4766169630.

Adding to 671017201 its reverse (102710176), we get a palindrome (773727377).

The spelling of 671017201 in words is "six hundred seventy-one million, seventeen thousand, two hundred one".