5312978571 has 4 divisors (see below), whose sum is σ = 7083971432. Its totient is φ = 3541985712.

The previous prime is 5312978551. The next prime is 5312978603. The reversal of 5312978571 is 1758792135.

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

It is a de Polignac number, because none of the positive numbers 2^k-5312978571 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 5312978571.

It is not an unprimeable number, because it can be changed into a prime (5312978501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 885496426 + ... + 885496431.

It is an arithmetic number, because the mean of its divisors is an integer number (1770992858).

Almost surely, 2^5312978571 is an apocalyptic number.

5312978571 is a deficient number, since it is larger than the sum of its proper divisors (1770992861).

5312978571 is a wasteful number, since it uses less digits than its factorization.

5312978571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770992860.

The product of its digits is 529200, while the sum is 48.

The square root of 5312978571 is about 72890.1815816095. The cubic root of 5312978571 is about 1744.9354054737.

The spelling of 5312978571 in words is "five billion, three hundred twelve million, nine hundred seventy-eight thousand, five hundred seventy-one".