4250605 has 4 divisors (see below), whose sum is σ = 5100732. Its totient is φ = 3400480.

The previous prime is 4250599. The next prime is 4250611. The reversal of 4250605 is 5060524.

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

It is an interprime number because it is at equal distance from previous prime (4250599) and next prime (4250611).

It can be written as a sum of positive squares in 2 ways, for example, as 3164841 + 1085764 = 1779^2 + 1042^2 .

It is not a de Polignac number, because 4250605 - 2⁵ = 4250573 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425056 + ... + 425065.

It is an arithmetic number, because the mean of its divisors is an integer number (1275183).

Almost surely, 2^4250605 is an apocalyptic number.

It is an amenable number.

4250605 is a deficient number, since it is larger than the sum of its proper divisors (850127).

4250605 is an equidigital number, since it uses as much as digits as its factorization.

4250605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850126.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 4250605 is about 2061.6995416403. The cubic root of 4250605 is about 161.9882758370.

The spelling of 4250605 in words is "four million, two hundred fifty thousand, six hundred five".