520422512 has 20 divisors (see below), whose sum is σ = 1032913056. Its totient is φ = 253864320.

The previous prime is 520422503. The next prime is 520422523. The reversal of 520422512 is 215224025.

It is a congruent number.

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, 396008 + ... + 397319.

Almost surely, 2^520422512 is an apocalyptic number.

It is an amenable number.

520422512 is a deficient number, since it is larger than the sum of its proper divisors (512490544).

520422512 is a wasteful number, since it uses less digits than its factorization.

520422512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793376 (or 793370 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 520422512 is about 22812.7708093515. The cubic root of 520422512 is about 804.3628882541.

Adding to 520422512 its reverse (215224025), we get a palindrome (735646537).

The spelling of 520422512 in words is "five hundred twenty million, four hundred twenty-two thousand, five hundred twelve".