52328009 has 2 divisors, whose sum is σ = 52328010. Its totient is φ = 52328008.

The previous prime is 52327991. The next prime is 52328011. The reversal of 52328009 is 90082325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44262409 + 8065600 = 6653^2 + 2840^2 .

It is a cyclic number.

It is not a de Polignac number, because 52328009 - 2⁸ = 52327753 is a prime.

Together with 52328011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52328509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26164004 + 26164005.

It is an arithmetic number, because the mean of its divisors is an integer number (26164005).

Almost surely, 2^52328009 is an apocalyptic number.

It is an amenable number.

52328009 is a deficient number, since it is larger than the sum of its proper divisors (1).

52328009 is an equidigital number, since it uses as much as digits as its factorization.

52328009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 52328009 is about 7233.8101302149. The cubic root of 52328009 is about 374.0342772210.

The spelling of 52328009 in words is "fifty-two million, three hundred twenty-eight thousand, nine".