652539 has 8 divisors (see below), whose sum is σ = 873792. Its totient is φ = 433160.

The previous prime is 652507. The next prime is 652541. The reversal of 652539 is 935256.

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 652539 - 2⁵ = 652507 is a prime.

652539 is a lucky number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 652539.

It is not an unprimeable number, because it can be changed into a prime (652549) 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, 1084 + ... + 1574.

It is an arithmetic number, because the mean of its divisors is an integer number (109224).

2⁶⁵²⁵³⁹ is an apocalyptic number.

652539 is a deficient number, since it is larger than the sum of its proper divisors (221253).

652539 is a wasteful number, since it uses less digits than its factorization.

652539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937.

The product of its digits is 8100, while the sum is 30.

The square root of 652539 is about 807.7988611034. The cubic root of 652539 is about 86.7365527690.

The spelling of 652539 in words is "six hundred fifty-two thousand, five hundred thirty-nine".