17028425 has 6 divisors (see below), whose sum is σ = 21115278. Its totient is φ = 13622720.

The previous prime is 17028383. The next prime is 17028437. The reversal of 17028425 is 52482071.

It can be written as a sum of positive squares in 3 ways, for example, as 1449616 + 15578809 = 1204^2 + 3947^2 .

It is not a de Polignac number, because 17028425 - 2¹⁴ = 17012041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 340544 + ... + 340593.

It is an arithmetic number, because the mean of its divisors is an integer number (3519213).

Almost surely, 2^17028425 is an apocalyptic number.

It is an amenable number.

17028425 is a deficient number, since it is larger than the sum of its proper divisors (4086853).

17028425 is an equidigital number, since it uses as much as digits as its factorization.

17028425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681147 (or 681142 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 17028425 is about 4126.5512234795. The cubic root of 17028425 is about 257.2713904008.

The spelling of 17028425 in words is "seventeen million, twenty-eight thousand, four hundred twenty-five".