520853829 has 8 divisors (see below), whose sum is σ = 706242720. Its totient is φ = 341350416.

The previous prime is 520853789. The next prime is 520853849. The reversal of 520853829 is 928358025.

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

It is not a de Polignac number, because 520853829 - 2¹¹ = 520851781 is a prime.

It is a super-2 number, since 2×520853829² = 542577422367922482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520853849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1471162 + ... + 1471515.

It is an arithmetic number, because the mean of its divisors is an integer number (88280340).

Almost surely, 2^520853829 is an apocalyptic number.

520853829 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

520853829 is a deficient number, since it is larger than the sum of its proper divisors (185388891).

520853829 is a wasteful number, since it uses less digits than its factorization.

520853829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2942739.

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 520853829 is about 22822.2222625230. Note that the first 4 decimals coincide. The cubic root of 520853829 is about 804.5850408188.

The spelling of 520853829 in words is "five hundred twenty million, eight hundred fifty-three thousand, eight hundred twenty-nine".