505749283 has 16 divisors (see below), whose sum is σ = 566013952. Its totient is φ = 448740000.

The previous prime is 505749247. The next prime is 505749289. The reversal of 505749283 is 382947505.

It is a cyclic number.

It is not a de Polignac number, because 505749283 - 2²¹ = 503652131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505749289) 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, 56698 + ... + 65008.

It is an arithmetic number, because the mean of its divisors is an integer number (35375872).

Almost surely, 2^505749283 is an apocalyptic number.

505749283 is a deficient number, since it is larger than the sum of its proper divisors (60264669).

505749283 is a wasteful number, since it uses less digits than its factorization.

505749283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8506.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 505749283 is about 22488.8702028359. The cubic root of 505749283 is about 796.7310791178.

The spelling of 505749283 in words is "five hundred five million, seven hundred forty-nine thousand, two hundred eighty-three".