170225249 has 2 divisors, whose sum is σ = 170225250. Its totient is φ = 170225248.

The previous prime is 170225239. The next prime is 170225333. The reversal of 170225249 is 942522071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135885649 + 34339600 = 11657^2 + 5860^2 .

It is an emirp because it is prime and its reverse (942522071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 170225249 - 2²⁴ = 153448033 is a prime.

It is a super-3 number, since 3×170225249³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is equal to p_9515057 and since 170225249 and 9515057 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (170225239) 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, 85112624 + 85112625.

It is an arithmetic number, because the mean of its divisors is an integer number (85112625).

Almost surely, 2^170225249 is an apocalyptic number.

It is an amenable number.

170225249 is a deficient number, since it is larger than the sum of its proper divisors (1).

170225249 is an equidigital number, since it uses as much as digits as its factorization.

170225249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 170225249 is about 13047.0398558447. The cubic root of 170225249 is about 554.2103848475.

The spelling of 170225249 in words is "one hundred seventy million, two hundred twenty-five thousand, two hundred forty-nine".