4252165 has 4 divisors (see below), whose sum is σ = 5102604. Its totient is φ = 3401728.

The previous prime is 4252163. The next prime is 4252169. The reversal of 4252165 is 5612524.

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 1044484 + 3207681 = 1022^2 + 1791^2 .

It is a cyclic number.

It is not a de Polignac number, because 4252165 - 2¹ = 4252163 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425212 + ... + 425221.

It is an arithmetic number, because the mean of its divisors is an integer number (1275651).

Almost surely, 2^4252165 is an apocalyptic number.

It is an amenable number.

4252165 is a deficient number, since it is larger than the sum of its proper divisors (850439).

4252165 is an equidigital number, since it uses as much as digits as its factorization.

4252165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850438.

The product of its digits is 2400, while the sum is 25.

The square root of 4252165 is about 2062.0778355824. The cubic root of 4252165 is about 162.0080903342.

Adding to 4252165 its reverse (5612524), we get a palindrome (9864689).

The spelling of 4252165 in words is "four million, two hundred fifty-two thousand, one hundred sixty-five".