2591167 has 2 divisors, whose sum is σ = 2591168. Its totient is φ = 2591166.

The previous prime is 2591153. The next prime is 2591189. The reversal of 2591167 is 7611952.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2591167 - 2¹⁹ = 2066879 is a prime.

It is a plaindrome in base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2591767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1295583 + 1295584.

It is an arithmetic number, because the mean of its divisors is an integer number (1295584).

2^2591167 is an apocalyptic number.

2591167 is a deficient number, since it is larger than the sum of its proper divisors (1).

2591167 is an equidigital number, since it uses as much as digits as its factorization.

2591167 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 31.

The square root of 2591167 is about 1609.7102223692. The cubic root of 2591167 is about 137.3509922988.

It can be divided in two parts, 259 and 1167, that multiplied together give a triangular number (302253 = T₇₇₇).

The spelling of 2591167 in words is "two million, five hundred ninety-one thousand, one hundred sixty-seven".