205362313 has 4 divisors (see below), whose sum is σ = 221159428. Its totient is φ = 189565200.

The previous prime is 205362307. The next prime is 205362323. The reversal of 205362313 is 313263502.

It is a happy number.

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 119836809 + 85525504 = 10947^2 + 9248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-205362313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (205362323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7898538 + ... + 7898563.

It is an arithmetic number, because the mean of its divisors is an integer number (55289857).

Almost surely, 2^205362313 is an apocalyptic number.

It is an amenable number.

205362313 is a deficient number, since it is larger than the sum of its proper divisors (15797115).

205362313 is a wasteful number, since it uses less digits than its factorization.

205362313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15797114.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 205362313 is about 14330.4679965450. The cubic root of 205362313 is about 589.9840204424.

The spelling of 205362313 in words is "two hundred five million, three hundred sixty-two thousand, three hundred thirteen".