17285225 has 6 divisors (see below), whose sum is σ = 21433710. Its totient is φ = 13828160.

The previous prime is 17285221. The next prime is 17285227. The reversal of 17285225 is 52258271.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 17197609 = 296^2 + 4147^2 .

It is not a de Polignac number, because 17285225 - 2² = 17285221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17285191 and 17285200.

It is not an unprimeable number, because it can be changed into a prime (17285221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 345680 + ... + 345729.

It is an arithmetic number, because the mean of its divisors is an integer number (3572285).

Almost surely, 2^17285225 is an apocalyptic number.

It is an amenable number.

17285225 is a deficient number, since it is larger than the sum of its proper divisors (4148485).

17285225 is an equidigital number, since it uses as much as digits as its factorization.

17285225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691419 (or 691414 counting only the distinct ones).

The product of its digits is 11200, while the sum is 32.

The square root of 17285225 is about 4157.5503604887. The cubic root of 17285225 is about 258.5582178660.

The spelling of 17285225 in words is "seventeen million, two hundred eighty-five thousand, two hundred twenty-five".