2170369 has 2 divisors, whose sum is σ = 2170370. Its totient is φ = 2170368.

The previous prime is 2170361. The next prime is 2170379. The reversal of 2170369 is 9630712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1129969 + 1040400 = 1063^2 + 1020^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170369 - 2³ = 2170361 is a prime.

It is a super-2 number, since 2×2170369² = 9421003192322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2170361) 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 as a sum of consecutive naturals, namely, 1085184 + 1085185.

It is an arithmetic number, because the mean of its divisors is an integer number (1085185).

2^2170369 is an apocalyptic number.

It is an amenable number.

2170369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170369 is an equidigital number, since it uses as much as digits as its factorization.

2170369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2268, while the sum is 28.

The square root of 2170369 is about 1473.2172277027. The cubic root of 2170369 is about 129.4725969755.

The spelling of 2170369 in words is "two million, one hundred seventy thousand, three hundred sixty-nine".