652643 has 8 divisors (see below), whose sum is σ = 693120. Its totient is φ = 613440.

The previous prime is 652627. The next prime is 652651. The reversal of 652643 is 346256.

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 652643 - 2⁴ = 652627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (652243) 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, 863 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (86640).

2⁶⁵²⁶⁴³ is an apocalyptic number.

652643 is a deficient number, since it is larger than the sum of its proper divisors (40477).

652643 is a wasteful number, since it uses less digits than its factorization.

652643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637.

The product of its digits is 4320, while the sum is 26.

The square root of 652643 is about 807.8632309989. The cubic root of 652643 is about 86.7411604743.

Adding to 652643 its reverse (346256), we get a palindrome (998899).

The spelling of 652643 in words is "six hundred fifty-two thousand, six hundred forty-three".