5247321145 has 16 divisors (see below), whose sum is σ = 6873959232. Its totient is φ = 3813600960.

The previous prime is 5247321073. The next prime is 5247321187. The reversal of 5247321145 is 5411237425.

It is not a de Polignac number, because 5247321145 - 2¹¹ = 5247319097 is a prime.

It is a super-2 number, since 2×5247321145² = 55068758397528222050, which contains 22 as substring.

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 5247321145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49399 + ... + 113731.

It is an arithmetic number, because the mean of its divisors is an integer number (429622452).

Almost surely, 2^5247321145 is an apocalyptic number.

5247321145 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5247321145 is a deficient number, since it is larger than the sum of its proper divisors (1626638087).

5247321145 is a wasteful number, since it uses less digits than its factorization.

5247321145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65832.

The product of its digits is 33600, while the sum is 34.

The square root of 5247321145 is about 72438.3955164663. The cubic root of 5247321145 is about 1737.7176603604.

The spelling of 5247321145 in words is "five billion, two hundred forty-seven million, three hundred twenty-one thousand, one hundred forty-five".