52687211 has 2 divisors, whose sum is σ = 52687212. Its totient is φ = 52687210.

The previous prime is 52687207. The next prime is 52687213. The reversal of 52687211 is 11278625.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52687211 - 2² = 52687207 is a prime.

Together with 52687213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52687213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26343605 + 26343606.

It is an arithmetic number, because the mean of its divisors is an integer number (26343606).

Almost surely, 2^52687211 is an apocalyptic number.

52687211 is a deficient number, since it is larger than the sum of its proper divisors (1).

52687211 is an equidigital number, since it uses as much as digits as its factorization.

52687211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 32.

The square root of 52687211 is about 7258.5956630742. The cubic root of 52687211 is about 374.8881705063. Note that the first 3 decimals are identical.

The spelling of 52687211 in words is "fifty-two million, six hundred eighty-seven thousand, two hundred eleven".