513223424625 has 64 divisors (see below), whose sum is σ = 858687897600. Its totient is φ = 272221560000.

The previous prime is 513223424611. The next prime is 513223424639. The reversal of 513223424625 is 526424322315.

It is an interprime number because it is at equal distance from previous prime (513223424611) and next prime (513223424639).

It is not a de Polignac number, because 513223424625 - 2²⁷ = 513089206897 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 60869160 + ... + 60877590.

It is an arithmetic number, because the mean of its divisors is an integer number (13416998400).

Almost surely, 2^513223424625 is an apocalyptic number.

It is an amenable number.

513223424625 is a deficient number, since it is larger than the sum of its proper divisors (345464472975).

513223424625 is a wasteful number, since it uses less digits than its factorization.

513223424625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9319 (or 9309 counting only the distinct ones).

The product of its digits is 345600, while the sum is 39.

The spelling of 513223424625 in words is "five hundred thirteen billion, two hundred twenty-three million, four hundred twenty-four thousand, six hundred twenty-five".