520348929 has 8 divisors (see below), whose sum is σ = 694944000. Its totient is φ = 346326576.

The previous prime is 520348921. The next prime is 520348949. The reversal of 520348929 is 929843025.

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

It is not a de Polignac number, because 520348929 - 2³ = 520348921 is a prime.

It is a super-2 number, since 2×520348929² = 541526015822894082, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (520348921) 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, 141054 + ... + 144695.

It is an arithmetic number, because the mean of its divisors is an integer number (86868000).

Almost surely, 2^520348929 is an apocalyptic number.

It is an amenable number.

520348929 is a deficient number, since it is larger than the sum of its proper divisors (174595071).

520348929 is a wasteful number, since it uses less digits than its factorization.

520348929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286359.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 520348929 is about 22811.1579934031. The cubic root of 520348929 is about 804.3249766068.

The spelling of 520348929 in words is "five hundred twenty million, three hundred forty-eight thousand, nine hundred twenty-nine".