201340613 has 4 divisors (see below), whose sum is σ = 201448428. Its totient is φ = 201232800.

The previous prime is 201340603. The next prime is 201340637. The reversal of 201340613 is 316043102.

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 62995969 + 138344644 = 7937^2 + 11762^2 .

It is a cyclic number.

It is not a de Polignac number, because 201340613 - 2¹⁸ = 201078469 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 (201340603) 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, 51056 + ... + 54857.

It is an arithmetic number, because the mean of its divisors is an integer number (50362107).

Almost surely, 2^201340613 is an apocalyptic number.

It is an amenable number.

201340613 is a deficient number, since it is larger than the sum of its proper divisors (107815).

201340613 is a wasteful number, since it uses less digits than its factorization.

201340613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107814.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 201340613 is about 14189.4542883086. The cubic root of 201340613 is about 586.1072976576.

Adding to 201340613 its reverse (316043102), we get a palindrome (517383715).

The spelling of 201340613 in words is "two hundred one million, three hundred forty thousand, six hundred thirteen".