513452320 has 24 divisors (see below), whose sum is σ = 1213031484. Its totient is φ = 205380864.

The previous prime is 513452297. The next prime is 513452327. The reversal of 513452320 is 23254315.

It can be written as a sum of positive squares in 2 ways, for example, as 496576656 + 16875664 = 22284^2 + 4108^2 .

It is not an unprimeable number, because it can be changed into a prime (513452327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604379 + ... + 1604698.

Almost surely, 2^513452320 is an apocalyptic number.

It is an amenable number.

513452320 is an abundant number, since it is smaller than the sum of its proper divisors (699579164).

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

513452320 is a wasteful number, since it uses less digits than its factorization.

513452320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3209092 (or 3209084 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 513452320 is about 22659.4863136833. The cubic root of 513452320 is about 800.7557025839.

The spelling of 513452320 in words is "five hundred thirteen million, four hundred fifty-two thousand, three hundred twenty".