52818413 has 4 divisors (see below), whose sum is σ = 52840608. Its totient is φ = 52796220.

The previous prime is 52818407. The next prime is 52818427. The reversal of 52818413 is 31481825.

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 52818413 - 2⁴ = 52818397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52818413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52818443) 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, 7031 + ... + 12452.

It is an arithmetic number, because the mean of its divisors is an integer number (13210152).

Almost surely, 2^52818413 is an apocalyptic number.

It is an amenable number.

52818413 is a deficient number, since it is larger than the sum of its proper divisors (22195).

52818413 is a wasteful number, since it uses less digits than its factorization.

52818413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22194.

The product of its digits is 7680, while the sum is 32.

The square root of 52818413 is about 7267.6277422554. The cubic root of 52818413 is about 375.1990954625.

The spelling of 52818413 in words is "fifty-two million, eight hundred eighteen thousand, four hundred thirteen".