52122173 has 2 divisors, whose sum is σ = 52122174. Its totient is φ = 52122172.

The previous prime is 52122157. The next prime is 52122211. The reversal of 52122173 is 37122125.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51308569 + 813604 = 7163^2 + 902^2 .

It is a cyclic number.

It is not a de Polignac number, because 52122173 - 2⁴ = 52122157 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52122113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26061086 + 26061087.

It is an arithmetic number, because the mean of its divisors is an integer number (26061087).

Almost surely, 2^52122173 is an apocalyptic number.

It is an amenable number.

52122173 is a deficient number, since it is larger than the sum of its proper divisors (1).

52122173 is an equidigital number, since it uses as much as digits as its factorization.

52122173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 23.

The square root of 52122173 is about 7219.5687544340. The cubic root of 52122173 is about 373.5432024897.

Adding to 52122173 its reverse (37122125), we get a palindrome (89244298).

The spelling of 52122173 in words is "fifty-two million, one hundred twenty-two thousand, one hundred seventy-three".