52409171 has 2 divisors, whose sum is σ = 52409172. Its totient is φ = 52409170.

The previous prime is 52409129. The next prime is 52409191. The reversal of 52409171 is 17190425.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52409171 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (52409101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26204585 + 26204586.

It is an arithmetic number, because the mean of its divisors is an integer number (26204586).

Almost surely, 2^52409171 is an apocalyptic number.

52409171 is a deficient number, since it is larger than the sum of its proper divisors (1).

52409171 is an equidigital number, since it uses as much as digits as its factorization.

52409171 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 52409171 is about 7239.4178633368. The cubic root of 52409171 is about 374.2275560475.

Adding to 52409171 its reverse (17190425), we get a palindrome (69599596).

The spelling of 52409171 in words is "fifty-two million, four hundred nine thousand, one hundred seventy-one".