520487629 has 8 divisors (see below), whose sum is σ = 528048000. Its totient is φ = 512951712.

The previous prime is 520487599. The next prime is 520487633. The reversal of 520487629 is 926784025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520487629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520487699) 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 7 ways as a sum of consecutive naturals, for example, 39162 + ... + 50740.

It is an arithmetic number, because the mean of its divisors is an integer number (66006000).

Almost surely, 2^520487629 is an apocalyptic number.

It is an amenable number.

520487629 is a deficient number, since it is larger than the sum of its proper divisors (7560371).

520487629 is a wasteful number, since it uses less digits than its factorization.

520487629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12227.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 520487629 is about 22814.1979696855. The cubic root of 520487629 is about 804.3964350439.

The spelling of 520487629 in words is "five hundred twenty million, four hundred eighty-seven thousand, six hundred twenty-nine".