652645 has 16 divisors (see below), whose sum is σ = 927360. Its totient is φ = 431424.

The previous prime is 652627. The next prime is 652651. The reversal of 652645 is 546256.

It is a de Polignac number, because none of the positive numbers 2^k-652645 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 694 + ... + 1336.

It is an arithmetic number, because the mean of its divisors is an integer number (57960).

2⁶⁵²⁶⁴⁵ is an apocalyptic number.

It is an amenable number.

652645 is a deficient number, since it is larger than the sum of its proper divisors (274715).

652645 is a wasteful number, since it uses less digits than its factorization.

652645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684.

The product of its digits is 7200, while the sum is 28.

The square root of 652645 is about 807.8644688313. The cubic root of 652645 is about 86.7412490792.

The spelling of 652645 in words is "six hundred fifty-two thousand, six hundred forty-five".