520899189 has 8 divisors (see below), whose sum is σ = 718481760. Its totient is φ = 335291376.

The previous prime is 520899143. The next prime is 520899199. The reversal of 520899189 is 981998025.

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

It is not a de Polignac number, because 520899189 - 2¹² = 520895093 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520899199) 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, 2993587 + ... + 2993760.

It is an arithmetic number, because the mean of its divisors is an integer number (89810220).

Almost surely, 2^520899189 is an apocalyptic number.

It is an amenable number.

520899189 is a deficient number, since it is larger than the sum of its proper divisors (197582571).

520899189 is a wasteful number, since it uses less digits than its factorization.

520899189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5987379.

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 520899189 is about 22823.2160091430. The cubic root of 520899189 is about 804.6083966473.

The spelling of 520899189 in words is "five hundred twenty million, eight hundred ninety-nine thousand, one hundred eighty-nine".