520303303025 has 24 divisors (see below), whose sum is σ = 703900614144. Its totient is φ = 378363614400.

The previous prime is 520303302991. The next prime is 520303303057.

It is a happy number.

520303303025 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 520303303025 - 2¹⁴ = 520303286641 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520303302985 and 520303303003.

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, 2741507 + ... + 2925143.

It is an arithmetic number, because the mean of its divisors is an integer number (29329192256).

Almost surely, 2^520303303025 is an apocalyptic number.

520303303025 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

520303303025 is a deficient number, since it is larger than the sum of its proper divisors (183597311119).

520303303025 is a wasteful number, since it uses less digits than its factorization.

520303303025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193961 (or 193956 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 26.

It can be divided in two parts, 520303 and 303025, that added together give a palindrome (823328).

The spelling of 520303303025 in words is "five hundred twenty billion, three hundred three million, three hundred three thousand, twenty-five".