52534309 has 2 divisors, whose sum is σ = 52534310. Its totient is φ = 52534308.

The previous prime is 52534303. The next prime is 52534319. The reversal of 52534309 is 90343525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51165409 + 1368900 = 7153^2 + 1170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52534309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52534303) 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, 26267154 + 26267155.

It is an arithmetic number, because the mean of its divisors is an integer number (26267155).

Almost surely, 2^52534309 is an apocalyptic number.

It is an amenable number.

52534309 is a deficient number, since it is larger than the sum of its proper divisors (1).

52534309 is an equidigital number, since it uses as much as digits as its factorization.

52534309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 52534309 is about 7248.0555323480. The cubic root of 52534309 is about 374.5251684954.

It can be divided in two parts, 52 and 534309, that added together give a square (534361 = 731²).

The spelling of 52534309 in words is "fifty-two million, five hundred thirty-four thousand, three hundred nine".