520289167 has 2 divisors, whose sum is σ = 520289168. Its totient is φ = 520289166.

The previous prime is 520289137. The next prime is 520289249. The reversal of 520289167 is 761982025.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520289167 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (520289117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 260144583 + 260144584.

It is an arithmetic number, because the mean of its divisors is an integer number (260144584).

Almost surely, 2^520289167 is an apocalyptic number.

520289167 is a deficient number, since it is larger than the sum of its proper divisors (1).

520289167 is an equidigital number, since it uses as much as digits as its factorization.

520289167 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 520289167 is about 22809.8480266748. The cubic root of 520289167 is about 804.2941832251.

The spelling of 520289167 in words is "five hundred twenty million, two hundred eighty-nine thousand, one hundred sixty-seven".