492521167 has 2 divisors, whose sum is σ = 492521168. Its totient is φ = 492521166.

The previous prime is 492521153. The next prime is 492521179. The reversal of 492521167 is 761125294.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-492521167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (492521567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246260583 + 246260584.

It is an arithmetic number, because the mean of its divisors is an integer number (246260584).

Almost surely, 2^492521167 is an apocalyptic number.

492521167 is a deficient number, since it is larger than the sum of its proper divisors (1).

492521167 is an equidigital number, since it uses as much as digits as its factorization.

492521167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 492521167 is about 22192.8179148120. The cubic root of 492521167 is about 789.7233272461.

The spelling of 492521167 in words is "four hundred ninety-two million, five hundred twenty-one thousand, one hundred sixty-seven".