513236 has 12 divisors (see below), whose sum is σ = 927360. Its totient is φ = 248280.

The previous prime is 513203. The next prime is 513239. The reversal of 513236 is 632315.

It is a super-2 number, since 2×513236² = 526822383392, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 513236.

It is not an unprimeable number, because it can be changed into a prime (513239) 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, 1946 + ... + 2193.

It is an arithmetic number, because the mean of its divisors is an integer number (77280).

2⁵¹³²³⁶ is an apocalyptic number.

It is an amenable number.

513236 is a deficient number, since it is larger than the sum of its proper divisors (414124).

513236 is a wasteful number, since it uses less digits than its factorization.

513236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4174 (or 4172 counting only the distinct ones).

The product of its digits is 540, while the sum is 20.

The square root of 513236 is about 716.4049134393. The cubic root of 513236 is about 80.0643232676.

The spelling of 513236 in words is "five hundred thirteen thousand, two hundred thirty-six".