652729 has 16 divisors (see below), whose sum is σ = 835200. Its totient is φ = 505680.

The previous prime is 652727. The next prime is 652733. The reversal of 652729 is 927256.

It is not a de Polignac number, because 652729 - 2¹ = 652727 is a prime.

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

It is a Duffinian number.

652729 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 652729.

It is not an unprimeable number, because it can be changed into a prime (652723) 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, 3687 + ... + 3859.

It is an arithmetic number, because the mean of its divisors is an integer number (52200).

2⁶⁵²⁷²⁹ is an apocalyptic number.

It is an amenable number.

652729 is a deficient number, since it is larger than the sum of its proper divisors (182471).

652729 is a wasteful number, since it uses less digits than its factorization.

652729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205 (or 191 counting only the distinct ones).

The product of its digits is 7560, while the sum is 31.

The square root of 652729 is about 807.9164560770. The cubic root of 652729 is about 86.7449703224.

It can be divided in two parts, 6527 and 29, that added together give a palindrome (6556).

The spelling of 652729 in words is "six hundred fifty-two thousand, seven hundred twenty-nine".