513890628 has 24 divisors (see below), whose sum is σ = 1212553440. Its totient is φ = 169371840.

The previous prime is 513890617. The next prime is 513890639. The reversal of 513890628 is 826098315.

It is an interprime number because it is at equal distance from previous prime (513890617) and next prime (513890639).

It is a self number, because there is not a number n which added to its sum of digits gives 513890628.

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 7 ways as a sum of consecutive naturals, for example, 239518 + ... + 241653.

It is an arithmetic number, because the mean of its divisors is an integer number (50523060).

Almost surely, 2^513890628 is an apocalyptic number.

It is an amenable number.

513890628 is an abundant number, since it is smaller than the sum of its proper divisors (698662812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513890628 is a wasteful number, since it uses less digits than its factorization.

513890628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481267 (or 481265 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 513890628 is about 22669.1558731242. The cubic root of 513890628 is about 800.9834925160.

The spelling of 513890628 in words is "five hundred thirteen million, eight hundred ninety thousand, six hundred twenty-eight".