2605217701 has 8 divisors (see below), whose sum is σ = 2639943360. Its totient is φ = 2570613408.

The previous prime is 2605217689. The next prime is 2605217723. The reversal of 2605217701 is 1077125062.

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 2605217701 - 2⁹ = 2605217189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2605217801) 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, 13290 + ... + 73396.

It is an arithmetic number, because the mean of its divisors is an integer number (329992920).

Almost surely, 2^2605217701 is an apocalyptic number.

It is an amenable number.

2605217701 is a deficient number, since it is larger than the sum of its proper divisors (34725659).

2605217701 is an equidigital number, since it uses as much as digits as its factorization.

2605217701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60683.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 2605217701 is about 51041.3332604077. Note that the first 3 decimals coincide. The cubic root of 2605217701 is about 1375.9880855527.

The spelling of 2605217701 in words is "two billion, six hundred five million, two hundred seventeen thousand, seven hundred one".