52166269 has 2 divisors, whose sum is σ = 52166270. Its totient is φ = 52166268.

The previous prime is 52166243. The next prime is 52166293. The reversal of 52166269 is 96266125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41024025 + 11142244 = 6405^2 + 3338^2 .

It is a cyclic number.

It is not a de Polignac number, because 52166269 - 2⁵ = 52166237 is a prime.

It is a super-2 number, since 2×52166269² = 5442639242760722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52166209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26083134 + 26083135.

It is an arithmetic number, because the mean of its divisors is an integer number (26083135).

Almost surely, 2^52166269 is an apocalyptic number.

It is an amenable number.

52166269 is a deficient number, since it is larger than the sum of its proper divisors (1).

52166269 is an equidigital number, since it uses as much as digits as its factorization.

52166269 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 52166269 is about 7222.6220308140. The cubic root of 52166269 is about 373.6485135131.

It can be divided in two parts, 521662 and 69, that added together give a triangular number (521731 = T₁₀₂₁).

The spelling of 52166269 in words is "fifty-two million, one hundred sixty-six thousand, two hundred sixty-nine".