513526320445 has 8 divisors (see below), whose sum is σ = 616278836736. Its totient is φ = 410789554896.

The previous prime is 513526320397. The next prime is 513526320547. The reversal of 513526320445 is 544023625315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 513526320445 - 2¹⁷ = 513526189373 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 513526320398 and 513526320407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3865837 + ... + 3996466.

It is an arithmetic number, because the mean of its divisors is an integer number (77034854592).

Almost surely, 2^513526320445 is an apocalyptic number.

It is an amenable number.

513526320445 is a deficient number, since it is larger than the sum of its proper divisors (102752516291).

513526320445 is a wasteful number, since it uses less digits than its factorization.

513526320445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7875371.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 513526320445 in words is "five hundred thirteen billion, five hundred twenty-six million, three hundred twenty thousand, four hundred forty-five".