17138225 has 12 divisors (see below), whose sum is σ = 22886556. Its totient is φ = 12655680.

The previous prime is 17138201. The next prime is 17138237. The reversal of 17138225 is 52283171.

It can be written as a sum of positive squares in 6 ways, for example, as 3713329 + 13424896 = 1927^2 + 3664^2 .

It is not a de Polignac number, because 17138225 - 2⁶ = 17138161 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26042 + ... + 26691.

It is an arithmetic number, because the mean of its divisors is an integer number (1907213).

Almost surely, 2^17138225 is an apocalyptic number.

It is an amenable number.

17138225 is a deficient number, since it is larger than the sum of its proper divisors (5748331).

17138225 is a wasteful number, since it uses less digits than its factorization.

17138225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52756 (or 52751 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 17138225 is about 4139.8339338674. The cubic root of 17138225 is about 257.8231717040.

The spelling of 17138225 in words is "seventeen million, one hundred thirty-eight thousand, two hundred twenty-five".