2025108665 has 8 divisors (see below), whose sum is σ = 2439165960. Its totient is φ = 1614063232.

The previous prime is 2025108661. The next prime is 2025108667. The reversal of 2025108665 is 5668015202.

It can be written as a sum of positive squares in 4 ways, for example, as 194295721 + 1830812944 = 13939^2 + 42788^2 .

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 2025108665 - 2² = 2025108661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2025108661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 751484 + ... + 754173.

It is an arithmetic number, because the mean of its divisors is an integer number (304895745).

Almost surely, 2^2025108665 is an apocalyptic number.

It is an amenable number.

2025108665 is a deficient number, since it is larger than the sum of its proper divisors (414057295).

2025108665 is a wasteful number, since it uses less digits than its factorization.

2025108665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505931.

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 2025108665 is about 45001.2073726917. The cubic root of 2025108665 is about 1265.1716275751.

The spelling of 2025108665 in words is "two billion, twenty-five million, one hundred eight thousand, six hundred sixty-five".