513065064424625 has 32 divisors (see below), whose sum is σ = 645266427811200. Its totient is φ = 407277451752000.

The previous prime is 513065064424621. The next prime is 513065064424643. The reversal of 513065064424625 is 526424460560315.

It is not a de Polignac number, because 513065064424625 - 2² = 513065064424621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (513065064424621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3899954 + ... + 32269796.

It is an arithmetic number, because the mean of its divisors is an integer number (20164575869100).

Almost surely, 2^{513065064424625} is an apocalyptic number.

It is an amenable number.

513065064424625 is a deficient number, since it is larger than the sum of its proper divisors (132201363386575).

513065064424625 is a wasteful number, since it uses less digits than its factorization.

513065064424625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28370978 (or 28370968 counting only the distinct ones).

The product of its (nonzero) digits is 20736000, while the sum is 53.

The spelling of 513065064424625 in words is "five hundred thirteen trillion, sixty-five billion, sixty-four million, four hundred twenty-four thousand, six hundred twenty-five".