520368149 has 8 divisors (see below), whose sum is σ = 599390208. Its totient is φ = 442517040.

The previous prime is 520368119. The next prime is 520368157. The reversal of 520368149 is 941863025.

It is a happy number.

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

It is not a de Polignac number, because 520368149 - 2¹⁶ = 520302613 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 (520368109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291782 + ... + 293559.

It is an arithmetic number, because the mean of its divisors is an integer number (74923776).

Almost surely, 2^520368149 is an apocalyptic number.

It is an amenable number.

520368149 is a deficient number, since it is larger than the sum of its proper divisors (79022059).

520368149 is a wasteful number, since it uses less digits than its factorization.

520368149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585475.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 520368149 is about 22811.5792745702. The cubic root of 520368149 is about 804.3348795360.

The spelling of 520368149 in words is "five hundred twenty million, three hundred sixty-eight thousand, one hundred forty-nine".