513822028 has 12 divisors (see below), whose sum is σ = 899375400. Its totient is φ = 256857632.

The previous prime is 513822019. The next prime is 513822031. The reversal of 513822028 is 820228315.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15000 + ... + 35392.

It is an arithmetic number, because the mean of its divisors is an integer number (74947950).

Almost surely, 2^513822028 is an apocalyptic number.

It is an amenable number.

513822028 is a deficient number, since it is larger than the sum of its proper divisors (385553372).

513822028 is a wasteful number, since it uses less digits than its factorization.

513822028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696 (or 26694 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 513822028 is about 22667.6427534934. The cubic root of 513822028 is about 800.9478494499.

The spelling of 513822028 in words is "five hundred thirteen million, eight hundred twenty-two thousand, twenty-eight".