578660545 has 8 divisors (see below), whose sum is σ = 696361896. Its totient is φ = 461615616.

The previous prime is 578660531. The next prime is 578660567. The reversal of 578660545 is 545066875.

It can be written as a sum of positive squares in 4 ways, for example, as 3236401 + 575424144 = 1799^2 + 23988^2 .

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 578660545 - 2²³ = 570271937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 578660495 and 578660504.

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, 162162 + ... + 165691.

It is an arithmetic number, because the mean of its divisors is an integer number (87045237).

Almost surely, 2^578660545 is an apocalyptic number.

It is an amenable number.

578660545 is a deficient number, since it is larger than the sum of its proper divisors (117701351).

578660545 is a wasteful number, since it uses less digits than its factorization.

578660545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328211.

The product of its (nonzero) digits is 1008000, while the sum is 46.

The square root of 578660545 is about 24055.3641626977. The cubic root of 578660545 is about 833.3126166405.

The spelling of 578660545 in words is "five hundred seventy-eight million, six hundred sixty thousand, five hundred forty-five".