51122167 has 2 divisors, whose sum is σ = 51122168. Its totient is φ = 51122166.

The previous prime is 51122153. The next prime is 51122171. The reversal of 51122167 is 76122115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51122167 - 2¹¹ = 51120119 is a prime.

It is a super-2 number, since 2×51122167² = 5226951917551778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51122117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25561083 + 25561084.

It is an arithmetic number, because the mean of its divisors is an integer number (25561084).

Almost surely, 2^51122167 is an apocalyptic number.

51122167 is a deficient number, since it is larger than the sum of its proper divisors (1).

51122167 is an equidigital number, since it uses as much as digits as its factorization.

51122167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 840, while the sum is 25.

The square root of 51122167 is about 7149.9767132488. The cubic root of 51122167 is about 371.1388504377.

The spelling of 51122167 in words is "fifty-one million, one hundred twenty-two thousand, one hundred sixty-seven".