506520424 has 8 divisors (see below), whose sum is σ = 949725810. Its totient is φ = 253260208.

The previous prime is 506520419. The next prime is 506520431. The reversal of 506520424 is 424025605.

It can be written as a sum of positive squares in only one way, i.e., 467856900 + 38663524 = 21630^2 + 6218^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 506520392 and 506520401.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31657519 + ... + 31657534.

Almost surely, 2^506520424 is an apocalyptic number.

It is an amenable number.

506520424 is a deficient number, since it is larger than the sum of its proper divisors (443205386).

506520424 is a wasteful number, since it uses less digits than its factorization.

506520424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63315059 (or 63315055 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 506520424 is about 22506.0086199219. The cubic root of 506520424 is about 797.1358119379.

It can be divided in two parts, 506520 and 424, that added together give a square (506944 = 712²).

The spelling of 506520424 in words is "five hundred six million, five hundred twenty thousand, four hundred twenty-four".