4249759 has 4 divisors (see below), whose sum is σ = 4386880. Its totient is φ = 4112640.

The previous prime is 4249757. The next prime is 4249769. The reversal of 4249759 is 9579424.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4249759 - 2¹ = 4249757 is a prime.

It is a Duffinian number.

4249759 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249753) 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 3 ways as a sum of consecutive naturals, for example, 68514 + ... + 68575.

It is an arithmetic number, because the mean of its divisors is an integer number (1096720).

Almost surely, 2^4249759 is an apocalyptic number.

4249759 is a deficient number, since it is larger than the sum of its proper divisors (137121).

4249759 is a wasteful number, since it uses less digits than its factorization.

4249759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137120.

The product of its digits is 90720, while the sum is 40.

The square root of 4249759 is about 2061.4943608945. The cubic root of 4249759 is about 161.9775282552.

The spelling of 4249759 in words is "four million, two hundred forty-nine thousand, seven hundred fifty-nine".