513454310004252 has 48 divisors (see below), whose sum is σ = 1201847215756320. Its totient is φ = 170610420943872.

The previous prime is 513454310004239. The next prime is 513454310004253. The reversal of 513454310004252 is 252400013454315.

It is a self number, because there is not a number n which added to its sum of digits gives 513454310004252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513454310004253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 760496808 + ... + 761171664.

It is an arithmetic number, because the mean of its divisors is an integer number (25038483661590).

Almost surely, 2^{513454310004252} is an apocalyptic number.

It is an amenable number.

513454310004252 is an abundant number, since it is smaller than the sum of its proper divisors (688392905752068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

513454310004252 is a wasteful number, since it uses less digits than its factorization.

513454310004252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875190 (or 875188 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 513454310004252 its reverse (252400013454315), we get a palindrome (765854323458567).

The spelling of 513454310004252 in words is "five hundred thirteen trillion, four hundred fifty-four billion, three hundred ten million, four thousand, two hundred fifty-two".