4172243 has 2 divisors, whose sum is σ = 4172244. Its totient is φ = 4172242.

The previous prime is 4172239. The next prime is 4172257. The reversal of 4172243 is 3422714.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4172243 - 2² = 4172239 is a prime.

It is a super-2 number, since 2×4172243² = 34815223302098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4171243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2086121 + 2086122.

It is an arithmetic number, because the mean of its divisors is an integer number (2086122).

Almost surely, 2^4172243 is an apocalyptic number.

4172243 is a deficient number, since it is larger than the sum of its proper divisors (1).

4172243 is an equidigital number, since it uses as much as digits as its factorization.

4172243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 23.

The square root of 4172243 is about 2042.6069127466. The cubic root of 4172243 is about 160.9866506427.

Adding to 4172243 its reverse (3422714), we get a palindrome (7594957).

The spelling of 4172243 in words is "four million, one hundred seventy-two thousand, two hundred forty-three".