2051167 has 2 divisors, whose sum is σ = 2051168. Its totient is φ = 2051166.

The previous prime is 2051123. The next prime is 2051171. The reversal of 2051167 is 7611502.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2051167 - 2¹¹ = 2049119 is a prime.

It is equal to p₁₅₂₄₆₄ and since 2051167 and 152464 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2051267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1025583 + 1025584.

It is an arithmetic number, because the mean of its divisors is an integer number (1025584).

2^2051167 is an apocalyptic number.

2051167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2051167 is an equidigital number, since it uses as much as digits as its factorization.

2051167 is an evil number, because the sum of its binary digits is even.

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

The square root of 2051167 is about 1432.1895824227. The cubic root of 2051167 is about 127.0575100686.

Adding to 2051167 its reverse (7611502), we get a palindrome (9662669).

The spelling of 2051167 in words is "two million, fifty-one thousand, one hundred sixty-seven".