52318361 has 4 divisors (see below), whose sum is σ = 52399872. Its totient is φ = 52236852.

The previous prime is 52318339. The next prime is 52318363. The reversal of 52318361 is 16381325.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52318361 - 2¹⁰ = 52317337 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52318363) 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, 39785 + ... + 41078.

It is an arithmetic number, because the mean of its divisors is an integer number (13099968).

Almost surely, 2^52318361 is an apocalyptic number.

It is an amenable number.

52318361 is a deficient number, since it is larger than the sum of its proper divisors (81511).

52318361 is an equidigital number, since it uses as much as digits as its factorization.

52318361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81510.

The product of its digits is 4320, while the sum is 29.

The square root of 52318361 is about 7233.1432309889. The cubic root of 52318361 is about 374.0112882292.

Adding to 52318361 its reverse (16381325), we get a palindrome (68699686).

The spelling of 52318361 in words is "fifty-two million, three hundred eighteen thousand, three hundred sixty-one".