2258173 has 2 divisors, whose sum is σ = 2258174. Its totient is φ = 2258172.

The previous prime is 2258167. The next prime is 2258177. The reversal of 2258173 is 3718522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 870489 = 1178^2 + 933^2 .

It is a cyclic number.

It is not a de Polignac number, because 2258173 - 2¹³ = 2249981 is a prime.

It is equal to p₁₆₆₆₄₅ and since 2258173 and 166645 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 (2258177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1129086 + 1129087.

It is an arithmetic number, because the mean of its divisors is an integer number (1129087).

2^2258173 is an apocalyptic number.

It is an amenable number.

2258173 is a deficient number, since it is larger than the sum of its proper divisors (1).

2258173 is an equidigital number, since it uses as much as digits as its factorization.

2258173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 28.

The square root of 2258173 is about 1502.7218638191. The cubic root of 2258173 is about 131.1955396126.

The spelling of 2258173 in words is "two million, two hundred fifty-eight thousand, one hundred seventy-three".