516263 has 4 divisors (see below), whose sum is σ = 563208. Its totient is φ = 469320.

The previous prime is 516253. The next prime is 516277. The reversal of 516263 is 362615.

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

It is a cyclic number.

It is not a de Polignac number, because 516263 - 2⁴ = 516247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23456 + ... + 23477.

It is an arithmetic number, because the mean of its divisors is an integer number (140802).

2⁵¹⁶²⁶³ is an apocalyptic number.

516263 is a deficient number, since it is larger than the sum of its proper divisors (46945).

516263 is a wasteful number, since it uses less digits than its factorization.

516263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46944.

The product of its digits is 1080, while the sum is 23.

The square root of 516263 is about 718.5144396601. The cubic root of 516263 is about 80.2214178613.

Adding to 516263 its reverse (362615), we get a palindrome (878878).

It can be divided in two parts, 5162 and 63, that added together give a palindrome (5225).

The spelling of 516263 in words is "five hundred sixteen thousand, two hundred sixty-three".