513525549967 has 2 divisors, whose sum is σ = 513525549968. Its totient is φ = 513525549966.

The previous prime is 513525549923. The next prime is 513525549973. The reversal of 513525549967 is 769945525315.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 513525549967 - 2³⁵ = 479165811599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (513525549997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256762774983 + 256762774984.

It is an arithmetic number, because the mean of its divisors is an integer number (256762774984).

Almost surely, 2^513525549967 is an apocalyptic number.

513525549967 is a deficient number, since it is larger than the sum of its proper divisors (1).

513525549967 is an equidigital number, since it uses as much as digits as its factorization.

513525549967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51030000, while the sum is 61.

The spelling of 513525549967 in words is "five hundred thirteen billion, five hundred twenty-five million, five hundred forty-nine thousand, nine hundred sixty-seven".