4452505 has 4 divisors (see below), whose sum is σ = 5343012. Its totient is φ = 3562000.

The previous prime is 4452491. The next prime is 4452509. The reversal of 4452505 is 5052544.

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 1466521 + 2985984 = 1211^2 + 1728^2 .

It is not a de Polignac number, because 4452505 - 2⁵ = 4452473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4452505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4452509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 445246 + ... + 445255.

It is an arithmetic number, because the mean of its divisors is an integer number (1335753).

Almost surely, 2^4452505 is an apocalyptic number.

It is an amenable number.

4452505 is a deficient number, since it is larger than the sum of its proper divisors (890507).

4452505 is an equidigital number, since it uses as much as digits as its factorization.

4452505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890506.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4452505 is about 2110.0959693815. The cubic root of 4452505 is about 164.5134734578.

It can be divided in two parts, 4452 and 505, that multiplied together give a triangular number (2248260 = T₂₁₂₀).

The spelling of 4452505 in words is "four million, four hundred fifty-two thousand, five hundred five".