652173811 has 2 divisors, whose sum is σ = 652173812. Its totient is φ = 652173810.

The previous prime is 652173799. The next prime is 652173817. The reversal of 652173811 is 118371256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 652173811 - 2⁹ = 652173299 is a prime.

It is equal to p_33900595 and since 652173811 and 33900595 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (652173817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 326086905 + 326086906.

It is an arithmetic number, because the mean of its divisors is an integer number (326086906).

Almost surely, 2^652173811 is an apocalyptic number.

652173811 is a deficient number, since it is larger than the sum of its proper divisors (1).

652173811 is an equidigital number, since it uses as much as digits as its factorization.

652173811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10080, while the sum is 34.

The square root of 652173811 is about 25537.6939248633. The cubic root of 652173811 is about 867.2036924289.

The spelling of 652173811 in words is "six hundred fifty-two million, one hundred seventy-three thousand, eight hundred eleven".