52166243 has 2 divisors, whose sum is σ = 52166244. Its totient is φ = 52166242.

The previous prime is 52166237. The next prime is 52166269. The reversal of 52166243 is 34266125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52166243 - 2²² = 47971939 is a prime.

It is not a weakly prime, because it can be changed into another prime (52166293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26083121 + 26083122.

It is an arithmetic number, because the mean of its divisors is an integer number (26083122).

Almost surely, 2^52166243 is an apocalyptic number.

52166243 is a deficient number, since it is larger than the sum of its proper divisors (1).

52166243 is an equidigital number, since it uses as much as digits as its factorization.

52166243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 29.

The square root of 52166243 is about 7222.6202309134. The cubic root of 52166243 is about 373.6484514368.

The spelling of 52166243 in words is "fifty-two million, one hundred sixty-six thousand, two hundred forty-three".