652009 has 8 divisors (see below), whose sum is σ = 681120. Its totient is φ = 623616.

The previous prime is 651997. The next prime is 652019. The reversal of 652009 is 900256.

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

It is a cyclic number.

It is not a de Polignac number, because 652009 - 2⁷ = 651881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652019) 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, 2409 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (85140).

2⁶⁵²⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

652009 is a deficient number, since it is larger than the sum of its proper divisors (29111).

652009 is a wasteful number, since it uses less digits than its factorization.

652009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 652009 is about 807.4707425040. The cubic root of 652009 is about 86.7130635857.

The spelling of 652009 in words is "six hundred fifty-two thousand, nine".