2605375217 has 8 divisors (see below), whose sum is σ = 2670851232. Its totient is φ = 2539991200.

The previous prime is 2605375193. The next prime is 2605375237. The reversal of 2605375217 is 7125735062.

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 2605375217 - 2¹² = 2605371121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2605375237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36242 + ... + 80772.

It is an arithmetic number, because the mean of its divisors is an integer number (333856404).

Almost surely, 2^2605375217 is an apocalyptic number.

It is an amenable number.

2605375217 is a deficient number, since it is larger than the sum of its proper divisors (65476015).

2605375217 is a wasteful number, since it uses less digits than its factorization.

2605375217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45999.

The product of its (nonzero) digits is 88200, while the sum is 38.

The square root of 2605375217 is about 51042.8762610416. The cubic root of 2605375217 is about 1376.0158165392.

The spelling of 2605375217 in words is "two billion, six hundred five million, three hundred seventy-five thousand, two hundred seventeen".