578313825 has 12 divisors (see below), whose sum is σ = 956145648. Its totient is φ = 308434000.

The previous prime is 578313821. The next prime is 578313839. The reversal of 578313825 is 528313875.

It is not a de Polignac number, because 578313825 - 2² = 578313821 is a prime.

It is a super-2 number, since 2×578313825² = 668893760372261250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (578313821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3855351 + ... + 3855500.

It is an arithmetic number, because the mean of its divisors is an integer number (79678804).

Almost surely, 2^578313825 is an apocalyptic number.

It is an amenable number.

578313825 is a deficient number, since it is larger than the sum of its proper divisors (377831823).

578313825 is a wasteful number, since it uses less digits than its factorization.

578313825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710864 (or 7710859 counting only the distinct ones).

The product of its digits is 201600, while the sum is 42.

The square root of 578313825 is about 24048.1563742421. The cubic root of 578313825 is about 833.1461495134.

The spelling of 578313825 in words is "five hundred seventy-eight million, three hundred thirteen thousand, eight hundred twenty-five".