578775125 has 8 divisors (see below), whose sum is σ = 722311512. Its totient is φ = 463020000.

The previous prime is 578775121. The next prime is 578775139. The reversal of 578775125 is 521577875.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 141086884 + 437688241 = 11878^2 + 20921^2 .

It is not a de Polignac number, because 578775125 - 2² = 578775121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 578775125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (578775121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2314976 + ... + 2315225.

It is an arithmetic number, because the mean of its divisors is an integer number (90288939).

Almost surely, 2^578775125 is an apocalyptic number.

It is an amenable number.

578775125 is a deficient number, since it is larger than the sum of its proper divisors (143536387).

578775125 is an equidigital number, since it uses as much as digits as its factorization.

578775125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630216 (or 4630206 counting only the distinct ones).

The product of its digits is 686000, while the sum is 47.

The square root of 578775125 is about 24057.7456342027. The cubic root of 578775125 is about 833.3676141453.

The spelling of 578775125 in words is "five hundred seventy-eight million, seven hundred seventy-five thousand, one hundred twenty-five".