671071337 has 2 divisors, whose sum is σ = 671071338. Its totient is φ = 671071336.

The previous prime is 671071333. The next prime is 671071367. The reversal of 671071337 is 733170176.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 656179456 + 14891881 = 25616^2 + 3859^2 .

It is a cyclic number.

It is not a de Polignac number, because 671071337 - 2² = 671071333 is a prime.

It is a super-3 number, since 3×671071337³ (a number of 27 digits) contains 333 as substring.

It is equal to p_34831196 and since 671071337 and 34831196 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 671071297 and 671071306.

It is not a weakly prime, because it can be changed into another prime (671071333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335535668 + 335535669.

It is an arithmetic number, because the mean of its divisors is an integer number (335535669).

Almost surely, 2^671071337 is an apocalyptic number.

It is an amenable number.

671071337 is a deficient number, since it is larger than the sum of its proper divisors (1).

671071337 is an equidigital number, since it uses as much as digits as its factorization.

671071337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 671071337 is about 25905.0446245514. The cubic root of 671071337 is about 875.5001600891.

The spelling of 671071337 in words is "six hundred seventy-one million, seventy-one thousand, three hundred thirty-seven".