689253 has 4 divisors (see below), whose sum is σ = 919008. Its totient is φ = 459500.

The previous prime is 689237. The next prime is 689257. The reversal of 689253 is 352986.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 689253 - 2⁴ = 689237 is a prime.

It is a D-number.

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 689253.

It is not an unprimeable number, because it can be changed into a prime (689257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114873 + ... + 114878.

It is an arithmetic number, because the mean of its divisors is an integer number (229752).

2⁶⁸⁹²⁵³ is an apocalyptic number.

It is an amenable number.

689253 is a deficient number, since it is larger than the sum of its proper divisors (229755).

689253 is a wasteful number, since it uses less digits than its factorization.

689253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229754.

The product of its digits is 12960, while the sum is 33.

The square root of 689253 is about 830.2126233683. The cubic root of 689253 is about 88.3336592686. Note that the first 3 decimals are identical.

The spelling of 689253 in words is "six hundred eighty-nine thousand, two hundred fifty-three".