2617321373 has 4 divisors (see below), whose sum is σ = 2643235548. Its totient is φ = 2591407200.

The previous prime is 2617321349. The next prime is 2617321403. The reversal of 2617321373 is 3731237162.

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 2393459929 + 223861444 = 48923^2 + 14962^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2617321373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2617321303) 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, 12956936 + ... + 12957137.

It is an arithmetic number, because the mean of its divisors is an integer number (660808887).

Almost surely, 2^2617321373 is an apocalyptic number.

It is an amenable number.

2617321373 is a deficient number, since it is larger than the sum of its proper divisors (25914175).

2617321373 is a wasteful number, since it uses less digits than its factorization.

2617321373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25914174.

The product of its digits is 31752, while the sum is 35.

The square root of 2617321373 is about 51159.7632226733. The cubic root of 2617321373 is about 1378.1157110612.

The spelling of 2617321373 in words is "two billion, six hundred seventeen million, three hundred twenty-one thousand, three hundred seventy-three".