505275283 has 4 divisors (see below), whose sum is σ = 505775088. Its totient is φ = 504775480.

The previous prime is 505275271. The next prime is 505275289. The reversal of 505275283 is 382572505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505275283 is a prime.

It is a super-2 number, since 2×505275283² = 510606223221460178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505275289) 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 3 ways as a sum of consecutive naturals, for example, 248383 + ... + 250408.

It is an arithmetic number, because the mean of its divisors is an integer number (126443772).

Almost surely, 2^505275283 is an apocalyptic number.

505275283 is a deficient number, since it is larger than the sum of its proper divisors (499805).

505275283 is a wasteful number, since it uses less digits than its factorization.

505275283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499804.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 505275283 is about 22478.3291861295. The cubic root of 505275283 is about 796.4820963467.

The spelling of 505275283 in words is "five hundred five million, two hundred seventy-five thousand, two hundred eighty-three".