2617249305 has 16 divisors (see below), whose sum is σ = 4568289984. Its totient is φ = 1268969280.

The previous prime is 2617249303. The next prime is 2617249343. The reversal of 2617249305 is 5039427162.

It is not a de Polignac number, because 2617249305 - 2¹ = 2617249303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2617249303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7930894 + ... + 7931223.

It is an arithmetic number, because the mean of its divisors is an integer number (285518124).

Almost surely, 2^2617249305 is an apocalyptic number.

It is an amenable number.

2617249305 is a deficient number, since it is larger than the sum of its proper divisors (1951040679).

2617249305 is a wasteful number, since it uses less digits than its factorization.

2617249305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15862136.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 2617249305 is about 51159.0588752373. The cubic root of 2617249305 is about 1378.1030621299.

The spelling of 2617249305 in words is "two billion, six hundred seventeen million, two hundred forty-nine thousand, three hundred five".