512654 has 8 divisors (see below), whose sum is σ = 775008. Its totient is φ = 254320.

The previous prime is 512641. The next prime is 512657. The reversal of 512654 is 456215.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512657) 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, 662 + ... + 1209.

It is an arithmetic number, because the mean of its divisors is an integer number (96876).

2⁵¹²⁶⁵⁴ is an apocalyptic number.

512654 is a deficient number, since it is larger than the sum of its proper divisors (262354).

512654 is a wasteful number, since it uses less digits than its factorization.

512654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010.

The product of its digits is 1200, while the sum is 23.

The square root of 512654 is about 715.9986033506. The cubic root of 512654 is about 80.0340480071.

Adding to 512654 its reverse (456215), we get a palindrome (968869).

The spelling of 512654 in words is "five hundred twelve thousand, six hundred fifty-four".