255750505 has 8 divisors (see below), whose sum is σ = 307036224. Its totient is φ = 204510000.

The previous prime is 255750503. The next prime is 255750511. The reversal of 255750505 is 505057552.

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

It is not a de Polignac number, because 255750505 - 2¹ = 255750503 is a prime.

It is a super-3 number, since 3×255750505³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255750503) 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, 2730 + ... + 22780.

It is an arithmetic number, because the mean of its divisors is an integer number (38379528).

Almost surely, 2^255750505 is an apocalyptic number.

It is an amenable number.

255750505 is a deficient number, since it is larger than the sum of its proper divisors (51285719).

255750505 is a wasteful number, since it uses less digits than its factorization.

255750505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22607.

The product of its (nonzero) digits is 43750, while the sum is 34.

The square root of 255750505 is about 15992.2013806730. The cubic root of 255750505 is about 634.7540784139.

The spelling of 255750505 in words is "two hundred fifty-five million, seven hundred fifty thousand, five hundred five".