1335243205 has 4 divisors (see below), whose sum is σ = 1602291852. Its totient is φ = 1068194560.

The previous prime is 1335243197. The next prime is 1335243209. The reversal of 1335243205 is 5023425331.

1335243205 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

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 739785601 + 595457604 = 27199^2 + 24402^2 .

It is not a de Polignac number, because 1335243205 - 2³ = 1335243197 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 (1335243209) 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, 133524316 + ... + 133524325.

It is an arithmetic number, because the mean of its divisors is an integer number (400572963).

Almost surely, 2^1335243205 is an apocalyptic number.

It is an amenable number.

1335243205 is a deficient number, since it is larger than the sum of its proper divisors (267048647).

1335243205 is an equidigital number, since it uses as much as digits as its factorization.

1335243205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267048646.

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 1335243205 is about 36540.9798035028. The cubic root of 1335243205 is about 1101.1676870196.

Adding to 1335243205 its reverse (5023425331), we get a palindrome (6358668536).

The spelling of 1335243205 in words is "one billion, three hundred thirty-five million, two hundred forty-three thousand, two hundred five".