5211415345 has 8 divisors (see below), whose sum is σ = 6285444264. Its totient is φ = 4147968384.

The previous prime is 5211415343. The next prime is 5211415393. The reversal of 5211415345 is 5435141125.

It can be written as a sum of positive squares in 4 ways, for example, as 516561984 + 4694853361 = 22728^2 + 68519^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5211415345 - 2¹ = 5211415343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5211415343) 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 7 ways as a sum of consecutive naturals, for example, 2644404 + ... + 2646373.

It is an arithmetic number, because the mean of its divisors is an integer number (785680533).

Almost surely, 2^5211415345 is an apocalyptic number.

It is an amenable number.

5211415345 is a deficient number, since it is larger than the sum of its proper divisors (1074028919).

5211415345 is a wasteful number, since it uses less digits than its factorization.

5211415345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5290979.

The product of its digits is 12000, while the sum is 31.

The square root of 5211415345 is about 72190.1332939620. The cubic root of 5211415345 is about 1733.7450300630.

The spelling of 5211415345 in words is "five billion, two hundred eleven million, four hundred fifteen thousand, three hundred forty-five".