52042171 has 2 divisors, whose sum is σ = 52042172. Its totient is φ = 52042170.

The previous prime is 52042157. The next prime is 52042201. The reversal of 52042171 is 17124025.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 52042171 - 2⁵ = 52042139 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52042271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26021085 + 26021086.

It is an arithmetic number, because the mean of its divisors is an integer number (26021086).

Almost surely, 2^52042171 is an apocalyptic number.

52042171 is a deficient number, since it is larger than the sum of its proper divisors (1).

52042171 is an equidigital number, since it uses as much as digits as its factorization.

52042171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 52042171 is about 7214.0259910815. The cubic root of 52042171 is about 373.3519882437.

Adding to 52042171 its reverse (17124025), we get a palindrome (69166196).

The spelling of 52042171 in words is "fifty-two million, forty-two thousand, one hundred seventy-one".