5185547213 has 16 divisors (see below), whose sum is σ = 6845399424. Its totient is φ = 3802997760.

The previous prime is 5185547173. The next prime is 5185547221. The reversal of 5185547213 is 3127455815.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5185547213 - 2⁶ = 5185547149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185547243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1979420 + ... + 1982037.

It is an arithmetic number, because the mean of its divisors is an integer number (427837464).

Almost surely, 2^5185547213 is an apocalyptic number.

It is an amenable number.

5185547213 is a deficient number, since it is larger than the sum of its proper divisors (1659852211).

5185547213 is a wasteful number, since it uses less digits than its factorization.

5185547213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961492.

The product of its digits is 168000, while the sum is 41.

The square root of 5185547213 is about 72010.7437331403. The cubic root of 5185547213 is about 1730.8716483597.

The spelling of 5185547213 in words is "five billion, one hundred eighty-five million, five hundred forty-seven thousand, two hundred thirteen".