52418013 has 4 divisors (see below), whose sum is σ = 69890688. Its totient is φ = 34945340.

The previous prime is 52417997. The next prime is 52418027. The reversal of 52418013 is 31081425.

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 52418013 - 2⁴ = 52417997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52418083) 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, 8736333 + ... + 8736338.

It is an arithmetic number, because the mean of its divisors is an integer number (17472672).

Almost surely, 2^52418013 is an apocalyptic number.

It is an amenable number.

52418013 is a deficient number, since it is larger than the sum of its proper divisors (17472675).

52418013 is a wasteful number, since it uses less digits than its factorization.

52418013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17472674.

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 52418013 is about 7240.0285220433. The cubic root of 52418013 is about 374.2486002904.

Adding to 52418013 its reverse (31081425), we get a palindrome (83499438).

The spelling of 52418013 in words is "fifty-two million, four hundred eighteen thousand, thirteen".