2716212505 has 4 divisors (see below), whose sum is σ = 3259455012. Its totient is φ = 2172970000.

The previous prime is 2716212503. The next prime is 2716212511. The reversal of 2716212505 is 5052126172.

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

It can be written as a sum of positive squares in 2 ways, for example, as 503733136 + 2212479369 = 22444^2 + 47037^2 .

It is not a de Polignac number, because 2716212505 - 2¹ = 2716212503 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2716212503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271621246 + ... + 271621255.

It is an arithmetic number, because the mean of its divisors is an integer number (814863753).

Almost surely, 2^2716212505 is an apocalyptic number.

It is an amenable number.

2716212505 is a deficient number, since it is larger than the sum of its proper divisors (543242507).

2716212505 is an equidigital number, since it uses as much as digits as its factorization.

2716212505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543242506.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 2716212505 is about 52117.2956416582. The cubic root of 2716212505 is about 1395.2581931536.

Adding to 2716212505 its reverse (5052126172), we get a palindrome (7768338677).

The spelling of 2716212505 in words is "two billion, seven hundred sixteen million, two hundred twelve thousand, five hundred five".