5213815503 has 8 divisors (see below), whose sum is σ = 7486504368. Its totient is φ = 3208501824.

The previous prime is 5213815501. The next prime is 5213815549. The reversal of 5213815503 is 3055183125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5213815503 - 2¹ = 5213815501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5213815501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66843750 + ... + 66843827.

It is an arithmetic number, because the mean of its divisors is an integer number (935813046).

Almost surely, 2^5213815503 is an apocalyptic number.

5213815503 is a deficient number, since it is larger than the sum of its proper divisors (2272688865).

5213815503 is a wasteful number, since it uses less digits than its factorization.

5213815503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133687593.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5213815503 is about 72206.7552449215. The cubic root of 5213815503 is about 1734.0111524794.

Adding to 5213815503 its reverse (3055183125), we get a palindrome (8268998628).

The spelling of 5213815503 in words is "five billion, two hundred thirteen million, eight hundred fifteen thousand, five hundred three".