652812071 has 2 divisors, whose sum is σ = 652812072. Its totient is φ = 652812070.

The previous prime is 652812047. The next prime is 652812073. The reversal of 652812071 is 170218256.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652812071 is a prime.

Together with 652812073, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p_33932057 and since 652812071 and 33932057 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (652812073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326406035 + 326406036.

It is an arithmetic number, because the mean of its divisors is an integer number (326406036).

Almost surely, 2^652812071 is an apocalyptic number.

652812071 is a deficient number, since it is larger than the sum of its proper divisors (1).

652812071 is an equidigital number, since it uses as much as digits as its factorization.

652812071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 652812071 is about 25550.1872987264. The cubic root of 652812071 is about 867.4865009651.

The spelling of 652812071 in words is "six hundred fifty-two million, eight hundred twelve thousand, seventy-one".