4028173 has 2 divisors, whose sum is σ = 4028174. Its totient is φ = 4028172.

The previous prime is 4028137. The next prime is 4028177. The reversal of 4028173 is 3718204.

Together with previous prime (4028137) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3392964 + 635209 = 1842^2 + 797^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4028173 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4028177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2014086 + 2014087.

It is an arithmetic number, because the mean of its divisors is an integer number (2014087).

Almost surely, 2^4028173 is an apocalyptic number.

It is an amenable number.

4028173 is a deficient number, since it is larger than the sum of its proper divisors (1).

4028173 is an equidigital number, since it uses as much as digits as its factorization.

4028173 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 4028173 is about 2007.0308916407. The cubic root of 4028173 is about 159.1119157221. Note that the first 3 decimals are identical.

The spelling of 4028173 in words is "four million, twenty-eight thousand, one hundred seventy-three".