52317613 has 4 divisors (see below), whose sum is σ = 52361820. Its totient is φ = 52273408.

The previous prime is 52317607. The next prime is 52317623. The reversal of 52317613 is 31671325.

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 20811844 + 31505769 = 4562^2 + 5613^2 .

It is a cyclic number.

It is not a de Polignac number, because 52317613 - 2²¹ = 50220461 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 (52317623) 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, 20278 + ... + 22711.

It is an arithmetic number, because the mean of its divisors is an integer number (13090455).

Almost surely, 2^52317613 is an apocalyptic number.

It is an amenable number.

52317613 is a deficient number, since it is larger than the sum of its proper divisors (44207).

52317613 is a wasteful number, since it uses less digits than its factorization.

52317613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44206.

The product of its digits is 3780, while the sum is 28.

The square root of 52317613 is about 7233.0915243760. The cubic root of 52317613 is about 374.0095057971.

Adding to 52317613 its reverse (31671325), we get a palindrome (83988938).

The spelling of 52317613 in words is "fifty-two million, three hundred seventeen thousand, six hundred thirteen".