4272449 has 2 divisors, whose sum is σ = 4272450. Its totient is φ = 4272448.

The previous prime is 4272419. The next prime is 4272461. The reversal of 4272449 is 9442724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2582449 + 1690000 = 1607^2 + 1300^2 .

It is a cyclic number.

It is not a de Polignac number, because 4272449 - 2²⁰ = 3223873 is a prime.

It is not a weakly prime, because it can be changed into another prime (4272409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2136224 + 2136225.

It is an arithmetic number, because the mean of its divisors is an integer number (2136225).

Almost surely, 2^4272449 is an apocalyptic number.

It is an amenable number.

4272449 is a deficient number, since it is larger than the sum of its proper divisors (1).

4272449 is an equidigital number, since it uses as much as digits as its factorization.

4272449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 32.

The square root of 4272449 is about 2066.9903241186. The cubic root of 4272449 is about 162.2652895564.

The spelling of 4272449 in words is "four million, two hundred seventy-two thousand, four hundred forty-nine".