2617723121 has 8 divisors (see below), whose sum is σ = 2984915304. Its totient is φ = 2274220800.

The previous prime is 2617723067. The next prime is 2617723153. The reversal of 2617723121 is 1213277162.

It can be written as a sum of positive squares in 4 ways, for example, as 693584896 + 1924138225 = 26336^2 + 43865^2 .

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 2617723121 - 2⁶ = 2617723057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2617723021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5922230 + ... + 5922671.

It is an arithmetic number, because the mean of its divisors is an integer number (373114413).

Almost surely, 2^2617723121 is an apocalyptic number.

It is an amenable number.

2617723121 is a deficient number, since it is larger than the sum of its proper divisors (367192183).

2617723121 is a wasteful number, since it uses less digits than its factorization.

2617723121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11844931.

The product of its digits is 7056, while the sum is 32.

The square root of 2617723121 is about 51163.6894779882. The cubic root of 2617723121 is about 1378.1862191400.

The spelling of 2617723121 in words is "two billion, six hundred seventeen million, seven hundred twenty-three thousand, one hundred twenty-one".