2525170665 has 8 divisors (see below), whose sum is σ = 4040273088. Its totient is φ = 1346757680.

The previous prime is 2525170663. The next prime is 2525170673. The reversal of 2525170665 is 5660715252.

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

It is not a de Polignac number, because 2525170665 - 2¹ = 2525170663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2525170663) 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, 84172341 + ... + 84172370.

It is an arithmetic number, because the mean of its divisors is an integer number (505034136).

Almost surely, 2^2525170665 is an apocalyptic number.

It is an amenable number.

2525170665 is a deficient number, since it is larger than the sum of its proper divisors (1515102423).

2525170665 is a wasteful number, since it uses less digits than its factorization.

2525170665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168344719.

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 2525170665 is about 50251.0762571311. The cubic root of 2525170665 is about 1361.7485196411.

The spelling of 2525170665 in words is "two billion, five hundred twenty-five million, one hundred seventy thousand, six hundred sixty-five".