4258165 has 4 divisors (see below), whose sum is σ = 5109804. Its totient is φ = 3406528.

The previous prime is 4258139. The next prime is 4258171. The reversal of 4258165 is 5618524.

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 1240996 + 3017169 = 1114^2 + 1737^2 .

It is a cyclic number.

It is not a de Polignac number, because 4258165 - 2¹¹ = 4256117 is a prime.

It is a Smith number, since the sum of its digits (31) 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425812 + ... + 425821.

It is an arithmetic number, because the mean of its divisors is an integer number (1277451).

Almost surely, 2^4258165 is an apocalyptic number.

It is an amenable number.

4258165 is a deficient number, since it is larger than the sum of its proper divisors (851639).

4258165 is an equidigital number, since it uses as much as digits as its factorization.

4258165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851638.

The product of its digits is 9600, while the sum is 31.

The square root of 4258165 is about 2063.5321659717. The cubic root of 4258165 is about 162.0842548055.

The spelling of 4258165 in words is "four million, two hundred fifty-eight thousand, one hundred sixty-five".