513526321007 has 16 divisors (see below), whose sum is σ = 593535962880. Its totient is φ = 435179773248.

The previous prime is 513526320997. The next prime is 513526321031. The reversal of 513526321007 is 700123625315.

It is a cyclic number.

It is not a de Polignac number, because 513526321007 - 2⁶ = 513526320943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513526321207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8184248 + ... + 8246754.

It is an arithmetic number, because the mean of its divisors is an integer number (37095997680).

Almost surely, 2^513526321007 is an apocalyptic number.

513526321007 is a deficient number, since it is larger than the sum of its proper divisors (80009641873).

513526321007 is a wasteful number, since it uses less digits than its factorization.

513526321007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75790.

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 513526321007 in words is "five hundred thirteen billion, five hundred twenty-six million, three hundred twenty-one thousand, seven".