52322509 has 2 divisors, whose sum is σ = 52322510. Its totient is φ = 52322508.

The previous prime is 52322497. The next prime is 52322533. The reversal of 52322509 is 90522325.

52322509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42575625 + 9746884 = 6525^2 + 3122^2 .

It is a cyclic number.

It is not a de Polignac number, because 52322509 - 2⁷ = 52322381 is a prime.

It is equal to p_3131929 and since 52322509 and 3131929 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 (52328509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26161254 + 26161255.

It is an arithmetic number, because the mean of its divisors is an integer number (26161255).

Almost surely, 2^52322509 is an apocalyptic number.

It is an amenable number.

52322509 is a deficient number, since it is larger than the sum of its proper divisors (1).

52322509 is an equidigital number, since it uses as much as digits as its factorization.

52322509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 52322509 is about 7233.4299609521. The cubic root of 52322509 is about 374.0211723170.

It can be divided in two parts, 523 and 22509, that added together give a palindrome (23032).

The spelling of 52322509 in words is "fifty-two million, three hundred twenty-two thousand, five hundred nine".