520214171 has 2 divisors, whose sum is σ = 520214172. Its totient is φ = 520214170.

The previous prime is 520214159. The next prime is 520214251. The reversal of 520214171 is 171412025.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 520214171 - 2¹⁴ = 520197787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (520214141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260107085 + 260107086.

It is an arithmetic number, because the mean of its divisors is an integer number (260107086).

Almost surely, 2^520214171 is an apocalyptic number.

520214171 is a deficient number, since it is larger than the sum of its proper divisors (1).

520214171 is an equidigital number, since it uses as much as digits as its factorization.

520214171 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 23.

The square root of 520214171 is about 22808.2040283754. The cubic root of 520214171 is about 804.2555369307.

Adding to 520214171 its reverse (171412025), we get a palindrome (691626196).

The spelling of 520214171 in words is "five hundred twenty million, two hundred fourteen thousand, one hundred seventy-one".