652605 has 16 divisors (see below), whose sum is σ = 1055040. Its totient is φ = 344448.

The previous prime is 652601. The next prime is 652607. The reversal of 652605 is 506256.

It is not a de Polignac number, because 652605 - 2² = 652601 is a prime.

652605 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929 + ... + 2241.

It is an arithmetic number, because the mean of its divisors is an integer number (65940).

2⁶⁵²⁶⁰⁵ is an apocalyptic number.

It is an amenable number.

652605 is a deficient number, since it is larger than the sum of its proper divisors (402435).

652605 is a wasteful number, since it uses less digits than its factorization.

652605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 652605 is about 807.8397118241. The cubic root of 652605 is about 86.7394769464.

The spelling of 652605 in words is "six hundred fifty-two thousand, six hundred five".