520149536 has 24 divisors (see below), whose sum is σ = 1029417984. Its totient is φ = 258710080.

The previous prime is 520149521. The next prime is 520149547. The reversal of 520149536 is 635941025.

It is a junction number, because it is equal to n+sod(n) for n = 520149496 and 520149505.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 36440 + ... + 48663.

It is an arithmetic number, because the mean of its divisors is an integer number (42892416).

Almost surely, 2^520149536 is an apocalyptic number.

It is an amenable number.

520149536 is a deficient number, since it is larger than the sum of its proper divisors (509268448).

520149536 is a wasteful number, since it uses less digits than its factorization.

520149536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85304 (or 85296 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 520149536 is about 22806.7870599960. The cubic root of 520149536 is about 804.2222267977. Note that the first 5 decimals are identical.

The spelling of 520149536 in words is "five hundred twenty million, one hundred forty-nine thousand, five hundred thirty-six".