478525389025 has 12 divisors (see below), whose sum is σ = 604567172412. Its totient is φ = 375597285440.

The previous prime is 478525388969. The next prime is 478525389037. The reversal of 478525389025 is 520983525874.

It can be written as a sum of positive squares in 6 ways, for example, as 10287639184 + 468237749841 = 101428^2 + 684279^2 .

It is not a de Polignac number, because 478525389025 - 2⁷ = 478525388897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180574294 + ... + 180576943.

It is an arithmetic number, because the mean of its divisors is an integer number (50380597701).

Almost surely, 2^478525389025 is an apocalyptic number.

It is an amenable number.

478525389025 is a deficient number, since it is larger than the sum of its proper divisors (126041783387).

478525389025 is a wasteful number, since it uses less digits than its factorization.

478525389025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361151300 (or 361151295 counting only the distinct ones).

The product of its (nonzero) digits is 24192000, while the sum is 58.

The spelling of 478525389025 in words is "four hundred seventy-eight billion, five hundred twenty-five million, three hundred eighty-nine thousand, twenty-five".