1165217 has 2 divisors, whose sum is σ = 1165218. Its totient is φ = 1165216.

The previous prime is 1165211. The next prime is 1165223. The reversal of 1165217 is 7125611.

It is a balanced prime because it is at equal distance from previous prime (1165211) and next prime (1165223).

It can be written as a sum of positive squares in only one way, i.e., 1002001 + 163216 = 1001^2 + 404^2 .

It is an emirp because it is prime and its reverse (7125611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1165217 - 2⁴ = 1165201 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1165192 and 1165201.

It is not a weakly prime, because it can be changed into another prime (1165211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 582608 + 582609.

It is an arithmetic number, because the mean of its divisors is an integer number (582609).

2^1165217 is an apocalyptic number.

It is an amenable number.

1165217 is a deficient number, since it is larger than the sum of its proper divisors (1).

1165217 is an equidigital number, since it uses as much as digits as its factorization.

1165217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 420, while the sum is 23.

The square root of 1165217 is about 1079.4521758744. The cubic root of 1165217 is about 105.2290389554.

The spelling of 1165217 in words is "one million, one hundred sixty-five thousand, two hundred seventeen".