513354410452 has 72 divisors (see below), whose sum is σ = 1003433848200. Its totient is φ = 228431450880.

The previous prime is 513354410447. The next prime is 513354410461. The reversal of 513354410452 is 254014453315.

It can be written as a sum of positive squares in 4 ways, for example, as 45435480336 + 467918930116 = 213156^2 + 684046^2 .

It is a congruent number.

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, 13423374 + ... + 13461562.

It is an arithmetic number, because the mean of its divisors is an integer number (13936581225).

Almost surely, 2^513354410452 is an apocalyptic number.

513354410452 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

513354410452 is a deficient number, since it is larger than the sum of its proper divisors (490079437748).

513354410452 is a wasteful number, since it uses less digits than its factorization.

513354410452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38537 (or 38504 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 513354410452 its reverse (254014453315), we get a palindrome (767368863767).

The spelling of 513354410452 in words is "five hundred thirteen billion, three hundred fifty-four million, four hundred ten thousand, four hundred fifty-two".