4250665 has 4 divisors (see below), whose sum is σ = 5100804. Its totient is φ = 3400528.

The previous prime is 4250657. The next prime is 4250711. The reversal of 4250665 is 5660524.

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 3374569 + 876096 = 1837^2 + 936^2 .

It is a cyclic number.

It is not a de Polignac number, because 4250665 - 2³ = 4250657 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425062 + ... + 425071.

It is an arithmetic number, because the mean of its divisors is an integer number (1275201).

Almost surely, 2^4250665 is an apocalyptic number.

It is an amenable number.

4250665 is a deficient number, since it is larger than the sum of its proper divisors (850139).

4250665 is an equidigital number, since it uses as much as digits as its factorization.

4250665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850138.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 4250665 is about 2061.7140926908. The cubic root of 4250665 is about 161.9890380227.

The spelling of 4250665 in words is "four million, two hundred fifty thousand, six hundred sixty-five".