1689113 has 2 divisors, whose sum is σ = 1689114. Its totient is φ = 1689112.

The previous prime is 1689109. The next prime is 1689167. The reversal of 1689113 is 3119861.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1338649 + 350464 = 1157^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 1689113 - 2² = 1689109 is a prime.

It is not a weakly prime, because it can be changed into another prime (1689713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 844556 + 844557.

It is an arithmetic number, because the mean of its divisors is an integer number (844557).

2^1689113 is an apocalyptic number.

It is an amenable number.

1689113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1689113 is an equidigital number, since it uses as much as digits as its factorization.

1689113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 29.

The square root of 1689113 is about 1299.6588013783. The cubic root of 1689113 is about 119.0929998238.

The spelling of 1689113 in words is "one million, six hundred eighty-nine thousand, one hundred thirteen".