652811 has 2 divisors, whose sum is σ = 652812. Its totient is φ = 652810.

The previous prime is 652787. The next prime is 652831. The reversal of 652811 is 118256.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652811 - 2⁶ = 652747 is a prime.

It is a d-powerful number, because it can be written as 6² + 5⁸ + 8⁶ + 2² + 1 + 1 .

It is not a weakly prime, because it can be changed into another prime (652831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326405 + 326406.

It is an arithmetic number, because the mean of its divisors is an integer number (326406).

2⁶⁵²⁸¹¹ is an apocalyptic number.

652811 is a deficient number, since it is larger than the sum of its proper divisors (1).

652811 is an equidigital number, since it uses as much as digits as its factorization.

652811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 480, while the sum is 23.

The square root of 652811 is about 807.9672023046. The cubic root of 652811 is about 86.7486026567.

The spelling of 652811 in words is "six hundred fifty-two thousand, eight hundred eleven".