4425865 has 8 divisors (see below), whose sum is σ = 5623560. Its totient is φ = 3332352.

The previous prime is 4425853. The next prime is 4425877. The reversal of 4425865 is 5685244.

It is an interprime number because it is at equal distance from previous prime (4425853) and next prime (4425877).

It can be written as a sum of positive squares in 4 ways, for example, as 1814409 + 2611456 = 1347^2 + 1616^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4425865 - 2⁵ = 4425833 is a prime.

4425865 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4425865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25950 + ... + 26119.

It is an arithmetic number, because the mean of its divisors is an integer number (702945).

Almost surely, 2^4425865 is an apocalyptic number.

It is an amenable number.

4425865 is a deficient number, since it is larger than the sum of its proper divisors (1197695).

4425865 is a wasteful number, since it uses less digits than its factorization.

4425865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52091.

The product of its digits is 38400, while the sum is 34.

The square root of 4425865 is about 2103.7739897622. The cubic root of 4425865 is about 164.1847140469.

The spelling of 4425865 in words is "four million, four hundred twenty-five thousand, eight hundred sixty-five".