652705 has 8 divisors (see below), whose sum is σ = 808704. Its totient is φ = 505200.

The previous prime is 652699. The next prime is 652723. The reversal of 652705 is 507256.

It is a happy number.

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

It is not a de Polignac number, because 652705 - 2⁷ = 652577 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1951 + ... + 2260.

It is an arithmetic number, because the mean of its divisors is an integer number (101088).

2⁶⁵²⁷⁰⁵ is an apocalyptic number.

It is an amenable number.

652705 is a deficient number, since it is larger than the sum of its proper divisors (155999).

652705 is a wasteful number, since it uses less digits than its factorization.

652705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4247.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 652705 is about 807.9016029196. The cubic root of 652705 is about 86.7439071427.

The spelling of 652705 in words is "six hundred fifty-two thousand, seven hundred five".