617267255 has 16 divisors (see below), whose sum is σ = 819445248. Its totient is φ = 442596000.

The previous prime is 617267251. The next prime is 617267281. The reversal of 617267255 is 552762716.

It is not a de Polignac number, because 617267255 - 2² = 617267251 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 (617267251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 75131 + ... + 82940.

It is an arithmetic number, because the mean of its divisors is an integer number (51215328).

Almost surely, 2^617267255 is an apocalyptic number.

617267255 is a deficient number, since it is larger than the sum of its proper divisors (202177993).

617267255 is a wasteful number, since it uses less digits than its factorization.

617267255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158158.

The product of its digits is 176400, while the sum is 41.

The square root of 617267255 is about 24844.8637549092. The cubic root of 617267255 is about 851.4472484071.

The spelling of 617267255 in words is "six hundred seventeen million, two hundred sixty-seven thousand, two hundred fifty-five".