52336681 has 2 divisors, whose sum is σ = 52336682. Its totient is φ = 52336680.

The previous prime is 52336679. The next prime is 52336703. The reversal of 52336681 is 18663325.

52336681 = 5115² + 5116².

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26173456 + 26163225 = 5116^2 + 5115^2 .

It is a cyclic number.

It is not a de Polignac number, because 52336681 - 2¹ = 52336679 is a prime.

It is a super-2 number, since 2×52336681² = 5478256356191522, which contains 22 as substring.

Together with 52336679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52336381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26168340 + 26168341.

It is an arithmetic number, because the mean of its divisors is an integer number (26168341).

Almost surely, 2^52336681 is an apocalyptic number.

52336681 is the 5116-th centered square number.

It is an amenable number.

52336681 is a deficient number, since it is larger than the sum of its proper divisors (1).

52336681 is an equidigital number, since it uses as much as digits as its factorization.

52336681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 34.

The square root of 52336681 is about 7234.4095128766. The cubic root of 52336681 is about 374.0549382153.

The spelling of 52336681 in words is "fifty-two million, three hundred thirty-six thousand, six hundred eighty-one".