513425520351 has 40 divisors (see below), whose sum is σ = 768992994000. Its totient is φ = 341381364480.

The previous prime is 513425520341. The next prime is 513425520367. The reversal of 513425520351 is 153025524315.

513425520351 is a `hidden beast` number, since 5 + 1 + 34 + 255 + 20 + 351 = 666.

It is not a de Polignac number, because 513425520351 - 2¹⁵ = 513425487583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513425520331) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 79609975 + ... + 79616423.

It is an arithmetic number, because the mean of its divisors is an integer number (19224824850).

Almost surely, 2^513425520351 is an apocalyptic number.

513425520351 is a deficient number, since it is larger than the sum of its proper divisors (255567473649).

513425520351 is a wasteful number, since it uses less digits than its factorization.

513425520351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8901 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 513425520351 in words is "five hundred thirteen billion, four hundred twenty-five million, five hundred twenty thousand, three hundred fifty-one".