511268 has 6 divisors (see below), whose sum is σ = 894726. Its totient is φ = 255632.

The previous prime is 511261. The next prime is 511279. The reversal of 511268 is 862115.

It can be written as a sum of positive squares in only one way, i.e., 357604 + 153664 = 598^2 + 392^2 .

It is a super-2 number, since 2×511268² = 522789935648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (511261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63905 + ... + 63912.

It is an arithmetic number, because the mean of its divisors is an integer number (149121).

2⁵¹¹²⁶⁸ is an apocalyptic number.

It is an amenable number.

511268 is a deficient number, since it is larger than the sum of its proper divisors (383458).

511268 is a wasteful number, since it uses less digits than its factorization.

511268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127821 (or 127819 counting only the distinct ones).

The product of its digits is 480, while the sum is 23.

The square root of 511268 is about 715.0300692978. The cubic root of 511268 is about 79.9618568166.

The spelling of 511268 in words is "five hundred eleven thousand, two hundred sixty-eight".