652789 has 4 divisors (see below), whose sum is σ = 655200. Its totient is φ = 650380.

The previous prime is 652787. The next prime is 652811. The reversal of 652789 is 987256.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 652789 - 2¹ = 652787 is a prime.

It is a super-2 number, since 2×652789² = 852266957042, which contains 22 as substring.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 739 + ... + 1360.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2⁶⁵²⁷⁸⁹ is an apocalyptic number.

It is an amenable number.

652789 is a deficient number, since it is larger than the sum of its proper divisors (2411).

652789 is a wasteful number, since it uses less digits than its factorization.

652789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2410.

The product of its digits is 30240, while the sum is 37.

The square root of 652789 is about 807.9535877759. The cubic root of 652789 is about 86.7476281578.

It can be divided in two parts, 652 and 789, that added together give a palindrome (1441).

The spelling of 652789 in words is "six hundred fifty-two thousand, seven hundred eighty-nine".