511230 has 16 divisors (see below), whose sum is σ = 1227024. Its totient is φ = 136320.

The previous prime is 511223. The next prime is 511237. The reversal of 511230 is 32115.

511230 = 356² + 357² + ... + 359².

It is an interprime number because it is at equal distance from previous prime (511223) and next prime (511237).

It is a super-2 number, since 2×511230² = 522712225800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (511237) by changing a digit.

511230 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8491 + ... + 8550.

It is an arithmetic number, because the mean of its divisors is an integer number (76689).

2⁵¹¹²³⁰ is an apocalyptic number.

511230 is an abundant number, since it is smaller than the sum of its proper divisors (715794).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

511230 is a wasteful number, since it uses less digits than its factorization.

511230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17051.

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 511230 is about 715.0034964949. The cubic root of 511230 is about 79.9598757122.

Adding to 511230 its reverse (32115), we get a palindrome (543345).

It can be divided in two parts, 511 and 230, that added together give a triangular number (741 = T₃₈).

The spelling of 511230 in words is "five hundred eleven thousand, two hundred thirty".