512431 has 8 divisors (see below), whose sum is σ = 555984. Its totient is φ = 470400.

The previous prime is 512429. The next prime is 512443. The reversal of 512431 is 134215.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512431 - 2¹ = 512429 is a prime.

It is a super-2 number, since 2×512431² = 525171059522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381 + ... + 1081.

It is an arithmetic number, because the mean of its divisors is an integer number (69498).

2⁵¹²⁴³¹ is an apocalyptic number.

512431 is a deficient number, since it is larger than the sum of its proper divisors (43553).

512431 is a wasteful number, since it uses less digits than its factorization.

512431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 120, while the sum is 16.

The square root of 512431 is about 715.8428598512. The cubic root of 512431 is about 80.0224416207.

Adding to 512431 its reverse (134215), we get a palindrome (646646).

The spelling of 512431 in words is "five hundred twelve thousand, four hundred thirty-one".