652538 has 8 divisors (see below), whose sum is σ = 982260. Its totient is φ = 325120.

The previous prime is 652507. The next prime is 652541. The reversal of 652538 is 835256.

It can be written as a sum of positive squares in 2 ways, for example, as 552049 + 100489 = 743^2 + 317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 652538.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 698 + ... + 1338.

2⁶⁵²⁵³⁸ is an apocalyptic number.

652538 is a deficient number, since it is larger than the sum of its proper divisors (329722).

652538 is a wasteful number, since it uses less digits than its factorization.

652538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1152.

The product of its digits is 7200, while the sum is 29.

The square root of 652538 is about 807.7982421372. The cubic root of 652538 is about 86.7365084617.

The spelling of 652538 in words is "six hundred fifty-two thousand, five hundred thirty-eight".