513257325103 has 8 divisors (see below), whose sum is σ = 543458125872. Its totient is φ = 483057545856.

The previous prime is 513257325101. The next prime is 513257325131. The reversal of 513257325103 is 301523752315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513257325103 - 2¹ = 513257325101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513257325101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 938601 + ... + 1381117.

It is an arithmetic number, because the mean of its divisors is an integer number (67932265734).

Almost surely, 2^513257325103 is an apocalyptic number.

513257325103 is a deficient number, since it is larger than the sum of its proper divisors (30200800769).

513257325103 is a wasteful number, since it uses less digits than its factorization.

513257325103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510761.

The product of its (nonzero) digits is 94500, while the sum is 37.

The spelling of 513257325103 in words is "five hundred thirteen billion, two hundred fifty-seven million, three hundred twenty-five thousand, one hundred three".