52698643 has 2 divisors, whose sum is σ = 52698644. Its totient is φ = 52698642.

The previous prime is 52698641. The next prime is 52698661. The reversal of 52698643 is 34689625.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52698643 - 2¹ = 52698641 is a prime.

Together with 52698641, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52698643.

It is not a weakly prime, because it can be changed into another prime (52698641) 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, 26349321 + 26349322.

It is an arithmetic number, because the mean of its divisors is an integer number (26349322).

Almost surely, 2^52698643 is an apocalyptic number.

52698643 is a deficient number, since it is larger than the sum of its proper divisors (1).

52698643 is an equidigital number, since it uses as much as digits as its factorization.

52698643 is an odious number, because the sum of its binary digits is odd.

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

The square root of 52698643 is about 7259.3831005121. The cubic root of 52698643 is about 374.9152827887.

The spelling of 52698643 in words is "fifty-two million, six hundred ninety-eight thousand, six hundred forty-three".