4505705 has 4 divisors (see below), whose sum is σ = 5406852. Its totient is φ = 3604560.

The previous prime is 4505693. The next prime is 4505707. The reversal of 4505705 is 5075054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5075054 = 2 ⋅2537527.

It can be written as a sum of positive squares in 2 ways, for example, as 2598544 + 1907161 = 1612^2 + 1381^2 .

It is not a de Polignac number, because 4505705 - 2¹⁰ = 4504681 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4505707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450566 + ... + 450575.

It is an arithmetic number, because the mean of its divisors is an integer number (1351713).

Almost surely, 2^4505705 is an apocalyptic number.

It is an amenable number.

4505705 is a deficient number, since it is larger than the sum of its proper divisors (901147).

4505705 is an equidigital number, since it uses as much as digits as its factorization.

4505705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901146.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 4505705 is about 2122.6645990358. The cubic root of 4505705 is about 165.1661014817.

The spelling of 4505705 in words is "four million, five hundred five thousand, seven hundred five".