513115990 has 24 divisors (see below), whose sum is σ = 945621648. Its totient is φ = 200466000.

The previous prime is 513115987. The next prime is 513115997. The reversal of 513115990 is 99511315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513115997) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4615 + ... + 32365.

It is an arithmetic number, because the mean of its divisors is an integer number (39400902).

Almost surely, 2^513115990 is an apocalyptic number.

513115990 is a deficient number, since it is larger than the sum of its proper divisors (432505658).

513115990 is a wasteful number, since it uses less digits than its factorization.

513115990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27844 (or 27801 counting only the distinct ones).

The product of its (nonzero) digits is 6075, while the sum is 34.

The square root of 513115990 is about 22652.0637028947. The cubic root of 513115990 is about 800.5808229954.

The spelling of 513115990 in words is "five hundred thirteen million, one hundred fifteen thousand, nine hundred ninety".