52636849 has 2 divisors, whose sum is σ = 52636850. Its totient is φ = 52636848.

The previous prime is 52636847. The next prime is 52636861. The reversal of 52636849 is 94863625.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45319824 + 7317025 = 6732^2 + 2705^2 .

It is a cyclic number.

It is not a de Polignac number, because 52636849 - 2¹ = 52636847 is a prime.

Together with 52636847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (52636847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26318424 + 26318425.

It is an arithmetic number, because the mean of its divisors is an integer number (26318425).

Almost surely, 2^52636849 is an apocalyptic number.

It is an amenable number.

52636849 is a deficient number, since it is larger than the sum of its proper divisors (1).

52636849 is an equidigital number, since it uses as much as digits as its factorization.

52636849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 43.

The square root of 52636849 is about 7255.1257053203. The cubic root of 52636849 is about 374.7686846038.

The spelling of 52636849 in words is "fifty-two million, six hundred thirty-six thousand, eight hundred forty-nine".