513523622545 has 8 divisors (see below), whose sum is σ = 616373061120. Its totient is φ = 410722422000.

The previous prime is 513523622531. The next prime is 513523622569. The reversal of 513523622545 is 545226325315.

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

It is not a de Polignac number, because 513523622545 - 2²³ = 513515233937 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12036081 + ... + 12078670.

It is an arithmetic number, because the mean of its divisors is an integer number (77046632640).

Almost surely, 2^513523622545 is an apocalyptic number.

It is an amenable number.

513523622545 is a deficient number, since it is larger than the sum of its proper divisors (102849438575).

513523622545 is a wasteful number, since it uses less digits than its factorization.

513523622545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24119015.

The product of its digits is 1080000, while the sum is 43.

The spelling of 513523622545 in words is "five hundred thirteen billion, five hundred twenty-three million, six hundred twenty-two thousand, five hundred forty-five".