52618529 has 2 divisors, whose sum is σ = 52618530. Its totient is φ = 52618528.

The previous prime is 52618493. The next prime is 52618571. The reversal of 52618529 is 92581625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51051025 + 1567504 = 7145^2 + 1252^2 .

It is a cyclic number.

It is not a de Polignac number, because 52618529 - 2²⁴ = 35841313 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52618492 and 52618501.

It is not a weakly prime, because it can be changed into another prime (52618229) 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, 26309264 + 26309265.

It is an arithmetic number, because the mean of its divisors is an integer number (26309265).

Almost surely, 2^52618529 is an apocalyptic number.

It is an amenable number.

52618529 is a deficient number, since it is larger than the sum of its proper divisors (1).

52618529 is an equidigital number, since it uses as much as digits as its factorization.

52618529 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 38.

The square root of 52618529 is about 7253.8630397878. The cubic root of 52618529 is about 374.7252007509.

The spelling of 52618529 in words is "fifty-two million, six hundred eighteen thousand, five hundred twenty-nine".