2715215345 has 4 divisors (see below), whose sum is σ = 3258258420. Its totient is φ = 2172172272.

The previous prime is 2715215329. The next prime is 2715215351. The reversal of 2715215345 is 5435125172.

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 1960009984 + 755205361 = 44272^2 + 27481^2 .

It is a cyclic number.

It is not a de Polignac number, because 2715215345 - 2⁴ = 2715215329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 271521530 + ... + 271521539.

It is an arithmetic number, because the mean of its divisors is an integer number (814564605).

Almost surely, 2^2715215345 is an apocalyptic number.

It is an amenable number.

2715215345 is a deficient number, since it is larger than the sum of its proper divisors (543043075).

2715215345 is an equidigital number, since it uses as much as digits as its factorization.

2715215345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 543043074.

The product of its digits is 42000, while the sum is 35.

The square root of 2715215345 is about 52107.7282655846. The cubic root of 2715215345 is about 1395.0874325882.

The spelling of 2715215345 in words is "two billion, seven hundred fifteen million, two hundred fifteen thousand, three hundred forty-five".