170697013 has 2 divisors, whose sum is σ = 170697014. Its totient is φ = 170697012.

The previous prime is 170697001. The next prime is 170697029. The reversal of 170697013 is 310796071.

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., 129004164 + 41692849 = 11358^2 + 6457^2 .

It is an emirp because it is prime and its reverse (310796071) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170697013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 170697013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170697073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85348506 + 85348507.

It is an arithmetic number, because the mean of its divisors is an integer number (85348507).

Almost surely, 2^170697013 is an apocalyptic number.

It is an amenable number.

170697013 is a deficient number, since it is larger than the sum of its proper divisors (1).

170697013 is an equidigital number, since it uses as much as digits as its factorization.

170697013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 170697013 is about 13065.1066968471. The cubic root of 170697013 is about 554.7218940514.

The spelling of 170697013 in words is "one hundred seventy million, six hundred ninety-seven thousand, thirteen".