689113 has 2 divisors, whose sum is σ = 689114. Its totient is φ = 689112.

The previous prime is 689107. The next prime is 689131. The reversal of 689113 is 311986.

It is a happy number.

689113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (689131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 683929 + 5184 = 827^2 + 72^2 .

It is a cyclic number.

It is not a de Polignac number, because 689113 - 2⁵ = 689081 is a prime.

It is an Ulam number.

It is equal to p₅₅₇₄₇ and since 689113 and 55747 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (689713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344556 + 344557.

It is an arithmetic number, because the mean of its divisors is an integer number (344557).

2⁶⁸⁹¹¹³ is an apocalyptic number.

It is an amenable number.

689113 is a deficient number, since it is larger than the sum of its proper divisors (1).

689113 is an equidigital number, since it uses as much as digits as its factorization.

689113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 28.

The square root of 689113 is about 830.1283033363. The cubic root of 689113 is about 88.3276781317.

The spelling of 689113 in words is "six hundred eighty-nine thousand, one hundred thirteen".