513710628 has 12 divisors (see below), whose sum is σ = 1198658160. Its totient is φ = 171236872.

The previous prime is 513710621. The next prime is 513710671. The reversal of 513710628 is 826017315.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (513710621) 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, 21404598 + ... + 21404621.

It is an arithmetic number, because the mean of its divisors is an integer number (99888180).

Almost surely, 2^513710628 is an apocalyptic number.

It is an amenable number.

513710628 is an abundant number, since it is smaller than the sum of its proper divisors (684947532).

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

513710628 is a wasteful number, since it uses less digits than its factorization.

513710628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42809226 (or 42809224 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 513710628 is about 22665.1853731665. The cubic root of 513710628 is about 800.8899616765.

The spelling of 513710628 in words is "five hundred thirteen million, seven hundred ten thousand, six hundred twenty-eight".