1675217 has 2 divisors, whose sum is σ = 1675218. Its totient is φ = 1675216.

The previous prime is 1675213. The next prime is 1675259. The reversal of 1675217 is 7125761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1234321 + 440896 = 1111^2 + 664^2 .

It is an emirp because it is prime and its reverse (7125761) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1675217 - 2² = 1675213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1675217.

It is not a weakly prime, because it can be changed into another prime (1675213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837608 + 837609.

It is an arithmetic number, because the mean of its divisors is an integer number (837609).

2^1675217 is an apocalyptic number.

It is an amenable number.

1675217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1675217 is an equidigital number, since it uses as much as digits as its factorization.

1675217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2940, while the sum is 29.

The square root of 1675217 is about 1294.3017422533. The cubic root of 1675217 is about 118.7655152396.

The spelling of 1675217 in words is "one million, six hundred seventy-five thousand, two hundred seventeen".