505255793 has 8 divisors (see below), whose sum is σ = 611402112. Its totient is φ = 407601216.

The previous prime is 505255787. The next prime is 505255811. The reversal of 505255793 is 397552505.

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 505255793 - 2⁸ = 505255537 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 505255793.

It is not an unprimeable number, because it can be changed into a prime (505255193) 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, 2122805 + ... + 2123042.

It is an arithmetic number, because the mean of its divisors is an integer number (76425264).

Almost surely, 2^505255793 is an apocalyptic number.

It is an amenable number.

505255793 is a deficient number, since it is larger than the sum of its proper divisors (106146319).

505255793 is a wasteful number, since it uses less digits than its factorization.

505255793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4245871.

The product of its (nonzero) digits is 236250, while the sum is 41.

The square root of 505255793 is about 22477.8956532857. The cubic root of 505255793 is about 796.4718553050.

The spelling of 505255793 in words is "five hundred five million, two hundred fifty-five thousand, seven hundred ninety-three".