512131 has 4 divisors (see below), whose sum is σ = 524664. Its totient is φ = 499600.

The previous prime is 512101. The next prime is 512137. The reversal of 512131 is 131215.

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 512131 - 2¹³ = 503939 is a prime.

It is a super-2 number, since 2×512131² = 524556322322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6205 + ... + 6286.

It is an arithmetic number, because the mean of its divisors is an integer number (131166).

2⁵¹²¹³¹ is an apocalyptic number.

512131 is a deficient number, since it is larger than the sum of its proper divisors (12533).

512131 is a wasteful number, since it uses less digits than its factorization.

512131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12532.

The product of its digits is 30, while the sum is 13.

The square root of 512131 is about 715.6332859782. The cubic root of 512131 is about 80.0068223348.

Adding to 512131 its reverse (131215), we get a palindrome (643346).

The spelling of 512131 in words is "five hundred twelve thousand, one hundred thirty-one".