512426 has 8 divisors (see below), whose sum is σ = 773604. Its totient is φ = 254560.

The previous prime is 512419. The next prime is 512429. The reversal of 512426 is 624215.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 491401 + 21025 = 701^2 + 145^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 512398 and 512407.

It is not an unprimeable number, because it can be changed into a prime (512429) 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, 395 + ... + 1086.

2⁵¹²⁴²⁶ is an apocalyptic number.

512426 is a deficient number, since it is larger than the sum of its proper divisors (261178).

512426 is a wasteful number, since it uses less digits than its factorization.

512426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1656.

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

The square root of 512426 is about 715.8393674561. The cubic root of 512426 is about 80.0221813493.

The spelling of 512426 in words is "five hundred twelve thousand, four hundred twenty-six".