4078265 has 4 divisors (see below), whose sum is σ = 4893924. Its totient is φ = 3262608.

The previous prime is 4078259. The next prime is 4078273. The reversal of 4078265 is 5628704.

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 906304 + 3171961 = 952^2 + 1781^2 .

It is a cyclic number.

It is not a de Polignac number, because 4078265 - 2⁶ = 4078201 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, 407822 + ... + 407831.

It is an arithmetic number, because the mean of its divisors is an integer number (1223481).

Almost surely, 2^4078265 is an apocalyptic number.

It is an amenable number.

4078265 is a deficient number, since it is larger than the sum of its proper divisors (815659).

4078265 is an equidigital number, since it uses as much as digits as its factorization.

4078265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815658.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 4078265 is about 2019.4714655077. The cubic root of 4078265 is about 159.7687414286.

The spelling of 4078265 in words is "four million, seventy-eight thousand, two hundred sixty-five".