520245310 has 32 divisors (see below), whose sum is σ = 1033083072. Its totient is φ = 187403520.

The previous prime is 520245301. The next prime is 520245311. The reversal of 520245310 is 13542025.

It is a super-2 number, since 2×520245310² = 541310365153992200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520245311) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 43474 + ... + 54133.

It is an arithmetic number, because the mean of its divisors is an integer number (32283846).

Almost surely, 2^520245310 is an apocalyptic number.

520245310 is a deficient number, since it is larger than the sum of its proper divisors (512837762).

520245310 is a wasteful number, since it uses less digits than its factorization.

520245310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97668.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 520245310 is about 22808.8866453407. The cubic root of 520245310 is about 804.2715836636.

Adding to 520245310 its reverse (13542025), we get a palindrome (533787335).

The spelling of 520245310 in words is "five hundred twenty million, two hundred forty-five thousand, three hundred ten".