652209 has 8 divisors (see below), whose sum is σ = 897792. Its totient is φ = 420720.

The previous prime is 652207. The next prime is 652217. The reversal of 652209 is 902256.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 652209 - 2¹ = 652207 is a prime.

It is a Curzon number.

652209 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3414 + ... + 3599.

It is an arithmetic number, because the mean of its divisors is an integer number (112224).

2⁶⁵²²⁰⁹ is an apocalyptic number.

It is an amenable number.

652209 is a deficient number, since it is larger than the sum of its proper divisors (245583).

652209 is a wasteful number, since it uses less digits than its factorization.

652209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7047.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 652209 is about 807.5945765048. The cubic root of 652209 is about 86.7219289233.

Subtracting 652209 from its reverse (902256), we obtain a cube (250047 = 63³).

It can be divided in two parts, 652 and 209, that added together give a triangular number (861 = T₄₁).

The spelling of 652209 in words is "six hundred fifty-two thousand, two hundred nine".