520353925 has 48 divisors (see below), whose sum is σ = 800837632. Its totient is φ = 326592000.

The previous prime is 520353917. The next prime is 520353929. The reversal of 520353925 is 529353025.

It is not a de Polignac number, because 520353925 - 2³ = 520353917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520353929) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 288025 + ... + 289825.

Almost surely, 2^520353925 is an apocalyptic number.

It is an amenable number.

520353925 is a deficient number, since it is larger than the sum of its proper divisors (280483707).

520353925 is a wasteful number, since it uses less digits than its factorization.

520353925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1958 (or 1953 counting only the distinct ones).

The product of its (nonzero) digits is 40500, while the sum is 34.

The square root of 520353925 is about 22811.2675009522. The cubic root of 520353925 is about 804.3275507736.

The spelling of 520353925 in words is "five hundred twenty million, three hundred fifty-three thousand, nine hundred twenty-five".