521167 has 2 divisors, whose sum is σ = 521168. Its totient is φ = 521166.

The previous prime is 521161. The next prime is 521173. The reversal of 521167 is 761125.

It is a balanced prime because it is at equal distance from previous prime (521161) and next prime (521173).

It is a cyclic number.

It is not a de Polignac number, because 521167 - 2⁷ = 521039 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (521161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260583 + 260584.

It is an arithmetic number, because the mean of its divisors is an integer number (260584).

2⁵²¹¹⁶⁷ is an apocalyptic number.

521167 is a deficient number, since it is larger than the sum of its proper divisors (1).

521167 is an equidigital number, since it uses as much as digits as its factorization.

521167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 420, while the sum is 22.

The square root of 521167 is about 721.9189705223. The cubic root of 521167 is about 80.4746264694.

The spelling of 521167 in words is "five hundred twenty-one thousand, one hundred sixty-seven".