5215818248 has 8 divisors (see below), whose sum is σ = 9779659230. Its totient is φ = 2607909120.

The previous prime is 5215818227. The next prime is 5215818277. The reversal of 5215818248 is 8428185125.

It can be written as a sum of positive squares in only one way, i.e., 3426697444 + 1789120804 = 58538^2 + 42298^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 5215818199 and 5215818208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325988633 + ... + 325988648.

Almost surely, 2^5215818248 is an apocalyptic number.

It is an amenable number.

5215818248 is a deficient number, since it is larger than the sum of its proper divisors (4563840982).

5215818248 is a wasteful number, since it uses less digits than its factorization.

5215818248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651977287 (or 651977283 counting only the distinct ones).

The product of its digits is 204800, while the sum is 44.

The square root of 5215818248 is about 72220.6220410763. The cubic root of 5215818248 is about 1734.2331484182.

The spelling of 5215818248 in words is "five billion, two hundred fifteen million, eight hundred eighteen thousand, two hundred forty-eight".