659693 has 2 divisors, whose sum is σ = 659694. Its totient is φ = 659692.

The previous prime is 659689. The next prime is 659713. The reversal of 659693 is 396956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 644809 + 14884 = 803^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 659693 - 2² = 659689 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 329846 + 329847.

It is an arithmetic number, because the mean of its divisors is an integer number (329847).

2⁶⁵⁹⁶⁹³ is an apocalyptic number.

It is an amenable number.

659693 is a deficient number, since it is larger than the sum of its proper divisors (1).

659693 is an equidigital number, since it uses as much as digits as its factorization.

659693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43740, while the sum is 38.

The square root of 659693 is about 812.2148730478. The cubic root of 659693 is about 87.0523752099.

The spelling of 659693 in words is "six hundred fifty-nine thousand, six hundred ninety-three".