52162217 has 2 divisors, whose sum is σ = 52162218. Its totient is φ = 52162216.

The previous prime is 52162189. The next prime is 52162241. The reversal of 52162217 is 71226125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38241856 + 13920361 = 6184^2 + 3731^2 .

It is a cyclic number.

It is not a de Polignac number, because 52162217 - 2⁸ = 52161961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52162417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26081108 + 26081109.

It is an arithmetic number, because the mean of its divisors is an integer number (26081109).

Almost surely, 2^52162217 is an apocalyptic number.

It is an amenable number.

52162217 is a deficient number, since it is larger than the sum of its proper divisors (1).

52162217 is an equidigital number, since it uses as much as digits as its factorization.

52162217 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1680, while the sum is 26.

The square root of 52162217 is about 7222.3415178182. The cubic root of 52162217 is about 373.6388389155.

The spelling of 52162217 in words is "fifty-two million, one hundred sixty-two thousand, two hundred seventeen".