52518371 has 4 divisors (see below), whose sum is σ = 54212544. Its totient is φ = 50824200.

The previous prime is 52518359. The next prime is 52518373. The reversal of 52518371 is 17381525.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52518371 - 2¹⁴ = 52501987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52518373) 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, 847040 + ... + 847101.

It is an arithmetic number, because the mean of its divisors is an integer number (13553136).

Almost surely, 2^52518371 is an apocalyptic number.

52518371 is a deficient number, since it is larger than the sum of its proper divisors (1694173).

52518371 is a wasteful number, since it uses less digits than its factorization.

52518371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694172.

The product of its digits is 8400, while the sum is 32.

The square root of 52518371 is about 7246.9559816519. The cubic root of 52518371 is about 374.4872898468.

Adding to 52518371 its reverse (17381525), we get a palindrome (69899896).

The spelling of 52518371 in words is "fifty-two million, five hundred eighteen thousand, three hundred seventy-one".