669113 has 2 divisors, whose sum is σ = 669114. Its totient is φ = 669112.

The previous prime is 669107. The next prime is 669121. The reversal of 669113 is 311966.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 529984 + 139129 = 728^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 669113 - 2⁶ = 669049 is a prime.

It is a plaindrome in base 14.

It is not a weakly prime, because it can be changed into another prime (669133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334556 + 334557.

It is an arithmetic number, because the mean of its divisors is an integer number (334557).

2⁶⁶⁹¹¹³ is an apocalyptic number.

It is an amenable number.

669113 is a deficient number, since it is larger than the sum of its proper divisors (1).

669113 is an equidigital number, since it uses as much as digits as its factorization.

669113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 26.

The square root of 669113 is about 817.9932762560. The cubic root of 669113 is about 87.4647694904.

The spelling of 669113 in words is "six hundred sixty-nine thousand, one hundred thirteen".