513552996 has 144 divisors (see below), whose sum is σ = 1478917440. Its totient is φ = 148834560.

The previous prime is 513552989. The next prime is 513553013. The reversal of 513552996 is 699255315.

513552996 is a `hidden beast` number, since 5 + 1 + 3 + 552 + 9 + 96 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2262235 + ... + 2262461.

It is an arithmetic number, because the mean of its divisors is an integer number (10270260).

Almost surely, 2^513552996 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513552996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (739458720).

513552996 is an abundant number, since it is smaller than the sum of its proper divisors (965364444).

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

513552996 is a wasteful number, since it uses less digits than its factorization.

513552996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 469 counting only the distinct ones).

The product of its digits is 364500, while the sum is 45.

The square root of 513552996 is about 22661.7077026424. The cubic root of 513552996 is about 800.8080356565.

The spelling of 513552996 in words is "five hundred thirteen million, five hundred fifty-two thousand, nine hundred ninety-six".