513421553025325 has 24 divisors (see below), whose sum is σ = 727596391654080. Its totient is φ = 352058216851200.

The previous prime is 513421553025313. The next prime is 513421553025341. The reversal of 513421553025325 is 523520355124315.

It is a de Polignac number, because none of the positive numbers 2^k-513421553025325 is a prime.

It is a super-2 number, since 2×513421553025325² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17878086 + ... + 36694264.

It is an arithmetic number, because the mean of its divisors is an integer number (30316516318920).

Almost surely, 2^{513421553025325} is an apocalyptic number.

It is an amenable number.

513421553025325 is a deficient number, since it is larger than the sum of its proper divisors (214174838628755).

513421553025325 is a wasteful number, since it uses less digits than its factorization.

513421553025325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18972117 (or 18972112 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 46.

The spelling of 513421553025325 in words is "five hundred thirteen trillion, four hundred twenty-one billion, five hundred fifty-three million, twenty-five thousand, three hundred twenty-five".