652439 has 4 divisors (see below), whose sum is σ = 667656. Its totient is φ = 637224.

The previous prime is 652429. The next prime is 652447. The reversal of 652439 is 934256.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 652439 - 2¹² = 648343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652429) 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, 7544 + ... + 7629.

It is an arithmetic number, because the mean of its divisors is an integer number (166914).

2⁶⁵²⁴³⁹ is an apocalyptic number.

652439 is a deficient number, since it is larger than the sum of its proper divisors (15217).

652439 is a wasteful number, since it uses less digits than its factorization.

652439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15216.

The product of its digits is 6480, while the sum is 29.

The square root of 652439 is about 807.7369621356. The cubic root of 652439 is about 86.7321218213.

The spelling of 652439 in words is "six hundred fifty-two thousand, four hundred thirty-nine".