513155032 has 16 divisors (see below), whose sum is σ = 1036178640. Its totient is φ = 236840736.

The previous prime is 513155017. The next prime is 513155039. The reversal of 513155032 is 230551315.

It is a junction number, because it is equal to n+sod(n) for n = 513154988 and 513155006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513155039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2466988 + ... + 2467195.

It is an arithmetic number, because the mean of its divisors is an integer number (64761165).

Almost surely, 2^513155032 is an apocalyptic number.

513155032 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513155032 is an abundant number, since it is smaller than the sum of its proper divisors (523023608).

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

513155032 is a wasteful number, since it uses less digits than its factorization.

513155032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934202 (or 4934198 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 513155032 is about 22652.9254622885. The cubic root of 513155032 is about 800.6011273609.

The spelling of 513155032 in words is "five hundred thirteen million, one hundred fifty-five thousand, thirty-two".