2478318225 has 48 divisors (see below), whose sum is σ = 4430930688. Its totient is φ = 1217520640.

The previous prime is 2478318217. The next prime is 2478318229. The reversal of 2478318225 is 5228138742.

It is not a de Polignac number, because 2478318225 - 2³ = 2478318217 is a prime.

It is a super-2 number, since 2×2478318225² = 12284122448734301250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2478318229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39247 + ... + 80603.

It is an arithmetic number, because the mean of its divisors is an integer number (92311056).

Almost surely, 2^2478318225 is an apocalyptic number.

2478318225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2478318225 is a deficient number, since it is larger than the sum of its proper divisors (1952612463).

2478318225 is a wasteful number, since it uses less digits than its factorization.

2478318225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41434 (or 41429 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 2478318225 is about 49782.7101009979. The cubic root of 2478318225 is about 1353.2738512296.

The spelling of 2478318225 in words is "two billion, four hundred seventy-eight million, three hundred eighteen thousand, two hundred twenty-five".