520522434 has 24 divisors (see below), whose sum is σ = 1149079932. Its totient is φ = 170233440.

The previous prime is 520522427. The next prime is 520522447. The reversal of 520522434 is 434225025.

It is a happy number.

520522434 is a `hidden beast` number, since 5 + 205 + 22 + 434 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 517790025 + 2732409 = 22755^2 + 1653^2 .

It is a junction number, because it is equal to n+sod(n) for n = 520522398 and 520522407.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271857 + ... + 273764.

Almost surely, 2^520522434 is an apocalyptic number.

520522434 is an abundant number, since it is smaller than the sum of its proper divisors (628557498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520522434 is a wasteful number, since it uses less digits than its factorization.

520522434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545682 (or 545679 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 520522434 is about 22814.9607494731. The cubic root of 520522434 is about 804.4143646368.

Adding to 520522434 its reverse (434225025), we get a palindrome (954747459).

The spelling of 520522434 in words is "five hundred twenty million, five hundred twenty-two thousand, four hundred thirty-four".