170315512253 has 2 divisors, whose sum is σ = 170315512254. Its totient is φ = 170315512252.

The previous prime is 170315512247. The next prime is 170315512267. The reversal of 170315512253 is 352215513071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 170315512249 + 4 = 412693^2 + 2^2 .

It is an emirp because it is prime and its reverse (352215513071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170315512253 - 2¹⁰ = 170315511229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (170315562253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 85157756126 + 85157756127.

It is an arithmetic number, because the mean of its divisors is an integer number (85157756127).

Almost surely, 2^170315512253 is an apocalyptic number.

It is an amenable number.

170315512253 is a deficient number, since it is larger than the sum of its proper divisors (1).

170315512253 is an equidigital number, since it uses as much as digits as its factorization.

170315512253 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 170315512253 in words is "one hundred seventy billion, three hundred fifteen million, five hundred twelve thousand, two hundred fifty-three".