652543 has 2 divisors, whose sum is σ = 652544. Its totient is φ = 652542.

The previous prime is 652541. The next prime is 652549. The reversal of 652543 is 345256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 652543 - 2¹ = 652541 is a prime.

Together with 652541, it forms a pair of twin primes.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326271 + 326272.

It is an arithmetic number, because the mean of its divisors is an integer number (326272).

2⁶⁵²⁵⁴³ is an apocalyptic number.

652543 is a deficient number, since it is larger than the sum of its proper divisors (1).

652543 is an equidigital number, since it uses as much as digits as its factorization.

652543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 25.

The square root of 652543 is about 807.8013369635. The cubic root of 652543 is about 86.7367299974.

Adding to 652543 its reverse (345256), we get a palindrome (997799).

The spelling of 652543 in words is "six hundred fifty-two thousand, five hundred forty-three".