513800038 has 8 divisors (see below), whose sum is σ = 770824800. Its totient is φ = 256858440.

The previous prime is 513800009. The next prime is 513800057. The reversal of 513800038 is 830008315.

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

It is a junction number, because it is equal to n+sod(n) for n = 513799979 and 513800015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918 + ... + 32113.

It is an arithmetic number, because the mean of its divisors is an integer number (96353100).

Almost surely, 2^513800038 is an apocalyptic number.

513800038 is a deficient number, since it is larger than the sum of its proper divisors (257024762).

513800038 is a wasteful number, since it uses less digits than its factorization.

513800038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41582.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 513800038 is about 22667.1576956618. The cubic root of 513800038 is about 800.9364232534.

The spelling of 513800038 in words is "five hundred thirteen million, eight hundred thousand, thirty-eight".