520423000324025 has 6 divisors (see below), whose sum is σ = 645324520401822. Its totient is φ = 416338400259200.

The previous prime is 520423000323929. The next prime is 520423000324111.

520423000324025 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 3 ways, for example, as 1073677281856 + 519349323042169 = 1036184^2 + 22789237^2 .

It is not a de Polignac number, because 520423000324025 - 2²² = 520422996129721 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520423000323982 and 520423000324000.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10408460006456 + ... + 10408460006505.

It is an arithmetic number, because the mean of its divisors is an integer number (107554086733637).

Almost surely, 2^{520423000324025} is an apocalyptic number.

It is an amenable number.

520423000324025 is a deficient number, since it is larger than the sum of its proper divisors (124901520077797).

520423000324025 is a wasteful number, since it uses less digits than its factorization.

520423000324025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816920012971 (or 20816920012966 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 32.

It can be divided in two parts, 520423000 and 324025, that added together give a palindrome (520747025).

The spelling of 520423000324025 in words is "five hundred twenty trillion, four hundred twenty-three billion, three hundred twenty-four thousand, twenty-five".