506266 has 4 divisors (see below), whose sum is σ = 759402. Its totient is φ = 253132.

The previous prime is 506263. The next prime is 506269. The reversal of 506266 is 662605.

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

It is an interprime number because it is at equal distance from previous prime (506263) and next prime (506269).

It can be written as a sum of positive squares in only one way, i.e., 403225 + 103041 = 635^2 + 321^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 506266.

It is not an unprimeable number, because it can be changed into a prime (506263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126565 + ... + 126568.

2⁵⁰⁶²⁶⁶ is an apocalyptic number.

506266 is a deficient number, since it is larger than the sum of its proper divisors (253136).

506266 is a wasteful number, since it uses less digits than its factorization.

506266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253135.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 506266 is about 711.5237171030. The cubic root of 506266 is about 79.7002323113.

The spelling of 506266 in words is "five hundred six thousand, two hundred sixty-six".