4542205 has 4 divisors (see below), whose sum is σ = 5450652. Its totient is φ = 3633760.

The previous prime is 4542203. The next prime is 4542211. The reversal of 4542205 is 5022454.

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 2152089 + 2390116 = 1467^2 + 1546^2 .

It is not a de Polignac number, because 4542205 - 2¹ = 4542203 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 (4542203) 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, 454216 + ... + 454225.

It is an arithmetic number, because the mean of its divisors is an integer number (1362663).

Almost surely, 2^4542205 is an apocalyptic number.

It is an amenable number.

4542205 is a deficient number, since it is larger than the sum of its proper divisors (908447).

4542205 is an equidigital number, since it uses as much as digits as its factorization.

4542205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908446.

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 4542205 is about 2131.2449413430. The cubic root of 4542205 is about 165.6108973396.

Adding to 4542205 its reverse (5022454), we get a palindrome (9564659).

Subtracting 4542205 from its reverse (5022454), we obtain a square (480249 = 693²).

The spelling of 4542205 in words is "four million, five hundred forty-two thousand, two hundred five".