4249457 has 12 divisors (see below), whose sum is σ = 4612020. Its totient is φ = 3910368.

The previous prime is 4249451. The next prime is 4249459. The reversal of 4249457 is 7549424.

It can be written as a sum of positive squares in 2 ways, for example, as 1430416 + 2819041 = 1196^2 + 1679^2 .

It is not a de Polignac number, because 4249457 - 2¹² = 4245361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4249451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15203 + ... + 15479.

It is an arithmetic number, because the mean of its divisors is an integer number (384335).

Almost surely, 2^4249457 is an apocalyptic number.

It is an amenable number.

4249457 is a deficient number, since it is larger than the sum of its proper divisors (362563).

4249457 is a wasteful number, since it uses less digits than its factorization.

4249457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 329 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 4249457 is about 2061.4211117576. The cubic root of 4249457 is about 161.9736913026.

The spelling of 4249457 in words is "four million, two hundred forty-nine thousand, four hundred fifty-seven".