17242985 has 8 divisors (see below), whose sum is σ = 21591360. Its totient is φ = 13194544.

The previous prime is 17242969. The next prime is 17242987. The reversal of 17242985 is 58924271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 17242985 - 2⁴ = 17242969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (17242987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74855 + ... + 75084.

It is an arithmetic number, because the mean of its divisors is an integer number (2698920).

Almost surely, 2^17242985 is an apocalyptic number.

It is an amenable number.

17242985 is a deficient number, since it is larger than the sum of its proper divisors (4348375).

17242985 is a wasteful number, since it uses less digits than its factorization.

17242985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149967.

The product of its digits is 40320, while the sum is 38.

The square root of 17242985 is about 4152.4673388240. The cubic root of 17242985 is about 258.3474326910.

The spelling of 17242985 in words is "seventeen million, two hundred forty-two thousand, nine hundred eighty-five".