520707025 has 24 divisors (see below), whose sum is σ = 684893664. Its totient is φ = 391353600.

The previous prime is 520706987. The next prime is 520707043.

520707025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520707025 - 2¹⁵ = 520674257 is a prime.

It is a super-2 number, since 2×520707025² = 542271611768701250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520706984 and 520707002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 463114 + ... + 464236.

It is an arithmetic number, because the mean of its divisors is an integer number (28537236).

Almost surely, 2^520707025 is an apocalyptic number.

It is an amenable number.

520707025 is a deficient number, since it is larger than the sum of its proper divisors (164186639).

520707025 is a wasteful number, since it uses less digits than its factorization.

520707025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241 (or 2236 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 520707025 is about 22819.0057846524. The cubic root of 520707025 is about 804.5094422570.

It can be divided in two parts, 52070 and 7025, that added together give a palindrome (59095).

The spelling of 520707025 in words is "five hundred twenty million, seven hundred seven thousand, twenty-five".