170931053 has 2 divisors, whose sum is σ = 170931054. Its totient is φ = 170931052.

The previous prime is 170931041. The next prime is 170931067. The reversal of 170931053 is 350139071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 133010089 + 37920964 = 11533^2 + 6158^2 .

It is an emirp because it is prime and its reverse (350139071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170931053 - 2⁴ = 170931037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170936053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85465526 + 85465527.

It is an arithmetic number, because the mean of its divisors is an integer number (85465527).

Almost surely, 2^170931053 is an apocalyptic number.

It is an amenable number.

170931053 is a deficient number, since it is larger than the sum of its proper divisors (1).

170931053 is an equidigital number, since it uses as much as digits as its factorization.

170931053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2835, while the sum is 29.

The square root of 170931053 is about 13074.0603104009. The cubic root of 170931053 is about 554.9753017714.

The spelling of 170931053 in words is "one hundred seventy million, nine hundred thirty-one thousand, fifty-three".