516520250498 has 54 divisors (see below), whose sum is σ = 951456278313. Its totient is φ = 209660104080.

The previous prime is 516520250497. The next prime is 516520250513. The reversal of 516520250498 is 894052025615.

It can be written as a sum of positive squares in 2 ways, for example, as 414546685609 + 101973564889 = 643853^2 + 319333^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=508193.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (516520250497) 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 26 ways as a sum of consecutive naturals, for example, 135177428 + ... + 135181248.

Almost surely, 2^516520250498 is an apocalyptic number.

516520250498 is a deficient number, since it is larger than the sum of its proper divisors (434936027815).

516520250498 is an frugal number, since it uses more digits than its factorization.

516520250498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7696 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 516520250498 in words is "five hundred sixteen billion, five hundred twenty million, two hundred fifty thousand, four hundred ninety-eight".