512642 has 8 divisors (see below), whose sum is σ = 828156. Its totient is φ = 236592.

The previous prime is 512641. The next prime is 512657. The reversal of 512642 is 246215.

It is a happy number.

512642 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 2 ways, for example, as 410881 + 101761 = 641^2 + 319^2 .

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

It is not an unprimeable number, because it can be changed into a prime (512641) 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, 9833 + ... + 9884.

2⁵¹²⁶⁴² is an apocalyptic number.

512642 is a deficient number, since it is larger than the sum of its proper divisors (315514).

512642 is a wasteful number, since it uses less digits than its factorization.

512642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19732.

The product of its digits is 480, while the sum is 20.

The square root of 512642 is about 715.9902233969. The cubic root of 512642 is about 80.0334235339.

Adding to 512642 its reverse (246215), we get a palindrome (758857).

The spelling of 512642 in words is "five hundred twelve thousand, six hundred forty-two".