4289249 has 2 divisors, whose sum is σ = 4289250. Its totient is φ = 4289248.

The previous prime is 4289239. The next prime is 4289251. The reversal of 4289249 is 9429824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4080400 + 208849 = 2020^2 + 457^2 .

It is a cyclic number.

It is not a de Polignac number, because 4289249 - 2⁸ = 4288993 is a prime.

Together with 4289251, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4289239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2144624 + 2144625.

It is an arithmetic number, because the mean of its divisors is an integer number (2144625).

Almost surely, 2^4289249 is an apocalyptic number.

It is an amenable number.

4289249 is a deficient number, since it is larger than the sum of its proper divisors (1).

4289249 is an equidigital number, since it uses as much as digits as its factorization.

4289249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 4289249 is about 2071.0502166775. The cubic root of 4289249 is about 162.4776963472.

The spelling of 4289249 in words is "four million, two hundred eighty-nine thousand, two hundred forty-nine".