170864461 has 2 divisors, whose sum is σ = 170864462. Its totient is φ = 170864460.

The previous prime is 170864459. The next prime is 170864497. The reversal of 170864461 is 164468071.

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., 148718025 + 22146436 = 12195^2 + 4706^2 .

It is a cyclic number.

It is not a de Polignac number, because 170864461 - 2¹ = 170864459 is a prime.

Together with 170864459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 170864461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170864431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85432230 + 85432231.

It is an arithmetic number, because the mean of its divisors is an integer number (85432231).

Almost surely, 2^170864461 is an apocalyptic number.

It is an amenable number.

170864461 is a deficient number, since it is larger than the sum of its proper divisors (1).

170864461 is an equidigital number, since it uses as much as digits as its factorization.

170864461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 170864461 is about 13071.5133400842. The cubic root of 170864461 is about 554.9032225812.

The spelling of 170864461 in words is "one hundred seventy million, eight hundred sixty-four thousand, four hundred sixty-one".