2555212617 has 6 divisors (see below), whose sum is σ = 3690862682. Its totient is φ = 1703475072.

The previous prime is 2555212601. The next prime is 2555212631. The reversal of 2555212617 is 7162125552.

2555212617 is a `hidden beast` number, since 25 + 5 + 5 + 2 + 12 + 617 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2107636281 + 447576336 = 45909^2 + 21156^2 .

It is not a de Polignac number, because 2555212617 - 2⁴ = 2555212601 is a prime.

It is a super-2 number, since 2×2555212617² = 13058223036151977378, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2555212697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141956248 + ... + 141956265.

Almost surely, 2^2555212617 is an apocalyptic number.

It is an amenable number.

2555212617 is a deficient number, since it is larger than the sum of its proper divisors (1135650065).

2555212617 is a wasteful number, since it uses less digits than its factorization.

2555212617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283912519 (or 283912516 counting only the distinct ones).

The product of its digits is 42000, while the sum is 36.

The square root of 2555212617 is about 50549.1109417367. The cubic root of 2555212617 is about 1367.1274846246.

The spelling of 2555212617 in words is "two billion, five hundred fifty-five million, two hundred twelve thousand, six hundred seventeen".