2517425665 has 8 divisors (see below), whose sum is σ = 3021185088. Its totient is φ = 2013757680.

The previous prime is 2517425579. The next prime is 2517425681. The reversal of 2517425665 is 5665247152.

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

It is not a de Polignac number, because 2517425665 - 2²⁵ = 2483871233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78910 + ... + 106120.

It is an arithmetic number, because the mean of its divisors is an integer number (377648136).

Almost surely, 2^2517425665 is an apocalyptic number.

It is an amenable number.

2517425665 is a deficient number, since it is larger than the sum of its proper divisors (503759423).

2517425665 is a wasteful number, since it uses less digits than its factorization.

2517425665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45719.

The product of its digits is 504000, while the sum is 43.

The square root of 2517425665 is about 50173.9540498853. The cubic root of 2517425665 is about 1360.3548787350.

The spelling of 2517425665 in words is "two billion, five hundred seventeen million, four hundred twenty-five thousand, six hundred sixty-five".