170671051 has 2 divisors, whose sum is σ = 170671052. Its totient is φ = 170671050.

The previous prime is 170671049. The next prime is 170671073. The reversal of 170671051 is 150176071.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 170671051 - 2¹ = 170671049 is a prime.

Together with 170671049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (170671021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85335525 + 85335526.

It is an arithmetic number, because the mean of its divisors is an integer number (85335526).

Almost surely, 2^170671051 is an apocalyptic number.

170671051 is a deficient number, since it is larger than the sum of its proper divisors (1).

170671051 is an equidigital number, since it uses as much as digits as its factorization.

170671051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1470, while the sum is 28.

The square root of 170671051 is about 13064.1130965711. The cubic root of 170671051 is about 554.6937693257.

The spelling of 170671051 in words is "one hundred seventy million, six hundred seventy-one thousand, fifty-one".