17072425 has 12 divisors (see below), whose sum is σ = 21410460. Its totient is φ = 13502720.

The previous prime is 17072423. The next prime is 17072449. The reversal of 17072425 is 52427071.

It can be written as a sum of positive squares in 6 ways, for example, as 968256 + 16104169 = 984^2 + 4013^2 .

It is not a de Polignac number, because 17072425 - 2¹ = 17072423 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 17072393 and 17072402.

It is not an unprimeable number, because it can be changed into a prime (17072423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1612 + ... + 6061.

It is an arithmetic number, because the mean of its divisors is an integer number (1784205).

Almost surely, 2^17072425 is an apocalyptic number.

It is an amenable number.

17072425 is a deficient number, since it is larger than the sum of its proper divisors (4338035).

17072425 is an equidigital number, since it uses as much as digits as its factorization.

17072425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7772 (or 7767 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 17072425 is about 4131.8791124620. The cubic root of 17072425 is about 257.4927889394.

Adding to 17072425 its reverse (52427071), we get a palindrome (69499496).

The spelling of 17072425 in words is "seventeen million, seventy-two thousand, four hundred twenty-five".