4255212205 has 4 divisors (see below), whose sum is σ = 5106254652. Its totient is φ = 3404169760.

The previous prime is 4255212167. The next prime is 4255212209. The reversal of 4255212205 is 5022125524.

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 2896700041 + 1358512164 = 53821^2 + 36858^2 .

It is not a de Polignac number, because 4255212205 - 2²⁷ = 4120994477 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 (4255212209) 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, 425521216 + ... + 425521225.

It is an arithmetic number, because the mean of its divisors is an integer number (1276563663).

Almost surely, 2^4255212205 is an apocalyptic number.

It is an amenable number.

4255212205 is a deficient number, since it is larger than the sum of its proper divisors (851042447).

4255212205 is an equidigital number, since it uses as much as digits as its factorization.

4255212205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851042446.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4255212205 is about 65231.9875904452. The cubic root of 4255212205 is about 1620.4678074121.

Adding to 4255212205 its reverse (5022125524), we get a palindrome (9277337729).

The spelling of 4255212205 in words is "four billion, two hundred fifty-five million, two hundred twelve thousand, two hundred five".