689201 has 2 divisors, whose sum is σ = 689202. Its totient is φ = 689200.

The previous prime is 689167. The next prime is 689219. The reversal of 689201 is 102986.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 602176 + 87025 = 776^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 689201 - 2¹⁴ = 672817 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 689201.

It is not a weakly prime, because it can be changed into another prime (689261) 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, 344600 + 344601.

It is an arithmetic number, because the mean of its divisors is an integer number (344601).

2⁶⁸⁹²⁰¹ is an apocalyptic number.

It is an amenable number.

689201 is a deficient number, since it is larger than the sum of its proper divisors (1).

689201 is an equidigital number, since it uses as much as digits as its factorization.

689201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 689201 is about 830.1813054990. The cubic root of 689201 is about 88.3314377980.

It can be divided in two parts, 68920 and 1, that added together give a cube (68921 = 41³).

The spelling of 689201 in words is "six hundred eighty-nine thousand, two hundred one".