513552040 has 16 divisors (see below), whose sum is σ = 1155492180. Its totient is φ = 205420800.

The previous prime is 513552037. The next prime is 513552071. The reversal of 513552040 is 40255315.

It can be written as a sum of positive squares in 2 ways, for example, as 508141764 + 5410276 = 22542^2 + 2326^2 .

It is a junction number, because it is equal to n+sod(n) for n = 513551996 and 513552014.

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, 6419361 + ... + 6419440.

Almost surely, 2^513552040 is an apocalyptic number.

It is an amenable number.

513552040 is an abundant number, since it is smaller than the sum of its proper divisors (641940140).

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

513552040 is a wasteful number, since it uses less digits than its factorization.

513552040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12838812 (or 12838808 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 513552040 is about 22661.6866097826. The cubic root of 513552040 is about 800.8075387439.

It can be divided in two parts, 5135 and 52040, that added together give a palindrome (57175).

The spelling of 513552040 in words is "five hundred thirteen million, five hundred fifty-two thousand, forty".