505241255 has 16 divisors (see below), whose sum is σ = 658790400. Its totient is φ = 370565280.

The previous prime is 505241251. The next prime is 505241263. The reversal of 505241255 is 552142505.

It is not a de Polignac number, because 505241255 - 2² = 505241251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505241251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82835 + ... + 88724.

It is an arithmetic number, because the mean of its divisors is an integer number (41174400).

Almost surely, 2^505241255 is an apocalyptic number.

505241255 is a deficient number, since it is larger than the sum of its proper divisors (153549145).

505241255 is a wasteful number, since it uses less digits than its factorization.

505241255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171614.

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 505241255 is about 22477.5722665950. The cubic root of 505241255 is about 796.4642161257.

The spelling of 505241255 in words is "five hundred five million, two hundred forty-one thousand, two hundred fifty-five".