4248865 has 4 divisors (see below), whose sum is σ = 5098644. Its totient is φ = 3399088.

The previous prime is 4248823. The next prime is 4248869. The reversal of 4248865 is 5688424.

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

It can be written as a sum of positive squares in 2 ways, for example, as 877969 + 3370896 = 937^2 + 1836^2 .

It is a cyclic number.

It is not a de Polignac number, because 4248865 - 2⁷ = 4248737 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4248869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424882 + ... + 424891.

It is an arithmetic number, because the mean of its divisors is an integer number (1274661).

Almost surely, 2^4248865 is an apocalyptic number.

It is an amenable number.

4248865 is a deficient number, since it is larger than the sum of its proper divisors (849779).

4248865 is an equidigital number, since it uses as much as digits as its factorization.

4248865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849778.

The product of its digits is 61440, while the sum is 37.

The square root of 4248865 is about 2061.2775164931. The cubic root of 4248865 is about 161.9661693315.

The spelling of 4248865 in words is "four million, two hundred forty-eight thousand, eight hundred sixty-five".