511283 has 4 divisors (see below), whose sum is σ = 527808. Its totient is φ = 494760.

The previous prime is 511279. The next prime is 511289. The reversal of 511283 is 382115.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 382115 = 5 ⋅76423.

It is not a de Polignac number, because 511283 - 2² = 511279 is a prime.

It is a super-2 number, since 2×511283² = 522820612178, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (511289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8216 + ... + 8277.

It is an arithmetic number, because the mean of its divisors is an integer number (131952).

2⁵¹¹²⁸³ is an apocalyptic number.

511283 is a deficient number, since it is larger than the sum of its proper divisors (16525).

511283 is a wasteful number, since it uses less digits than its factorization.

511283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16524.

The product of its digits is 240, while the sum is 20.

The square root of 511283 is about 715.0405582902. The cubic root of 511283 is about 79.9626388045.

Adding to 511283 its reverse (382115), we get a palindrome (893398).

The spelling of 511283 in words is "five hundred eleven thousand, two hundred eighty-three".