513025725504 has 56 divisors (see below), whose sum is σ = 1357498050048. Its totient is φ = 170993774080.

The previous prime is 513025725503. The next prime is 513025725559. The reversal of 513025725504 is 405527520315.

It is not an unprimeable number, because it can be changed into a prime (513025725503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2232289 + ... + 2451359.

It is an arithmetic number, because the mean of its divisors is an integer number (24241036608).

Almost surely, 2^513025725504 is an apocalyptic number.

It is an amenable number.

513025725504 is an abundant number, since it is smaller than the sum of its proper divisors (844472324544).

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

513025725504 is a wasteful number, since it uses less digits than its factorization.

513025725504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231283 (or 231273 counting only the distinct ones).

The product of its (nonzero) digits is 210000, while the sum is 39.

The spelling of 513025725504 in words is "five hundred thirteen billion, twenty-five million, seven hundred twenty-five thousand, five hundred four".