2725165617 has 8 divisors (see below), whose sum is σ = 3635161824. Its totient is φ = 1815973248.

The previous prime is 2725165601. The next prime is 2725165633. The reversal of 2725165617 is 7165615272.

It is a happy number.

2725165617 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2725165601) and next prime (2725165633).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2725165617 - 2⁴ = 2725165601 is a prime.

It is a super-3 number, since 3×2725165617³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2725165717) 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, 193003 + ... + 206640.

It is an arithmetic number, because the mean of its divisors is an integer number (454395228).

Almost surely, 2^2725165617 is an apocalyptic number.

It is an amenable number.

2725165617 is a deficient number, since it is larger than the sum of its proper divisors (909996207).

2725165617 is a wasteful number, since it uses less digits than its factorization.

2725165617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401919.

The product of its digits is 176400, while the sum is 42.

The square root of 2725165617 is about 52203.1188436093. The cubic root of 2725165617 is about 1396.7895169806.

The spelling of 2725165617 in words is "two billion, seven hundred twenty-five million, one hundred sixty-five thousand, six hundred seventeen".