2167257 has 12 divisors (see below), whose sum is σ = 2996240. Its totient is φ = 1393392.

The previous prime is 2167237. The next prime is 2167259. The reversal of 2167257 is 7527612.

It is not a de Polignac number, because 2167257 - 2¹⁰ = 2166233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2094 + ... + 2952.

2^2167257 is an apocalyptic number.

It is an amenable number.

2167257 is a deficient number, since it is larger than the sum of its proper divisors (828983).

2167257 is an equidigital number, since it uses as much as digits as its factorization.

2167257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 891 counting only the distinct ones).

The product of its digits is 5880, while the sum is 30.

The square root of 2167257 is about 1472.1606569937. The cubic root of 2167257 is about 129.4106856214.

The spelling of 2167257 in words is "two million, one hundred sixty-seven thousand, two hundred fifty-seven".