4278651225 has 24 divisors (see below), whose sum is σ = 7094120352. Its totient is φ = 2275468800.

The previous prime is 4278651197. The next prime is 4278651233. The reversal of 4278651225 is 5221568724.

It is not a de Polignac number, because 4278651225 - 2⁹ = 4278650713 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54331 + ... + 107280.

It is an arithmetic number, because the mean of its divisors is an integer number (295588348).

Almost surely, 2^4278651225 is an apocalyptic number.

It is an amenable number.

4278651225 is a deficient number, since it is larger than the sum of its proper divisors (2815469127).

4278651225 is a wasteful number, since it uses less digits than its factorization.

4278651225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161977 (or 161972 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 4278651225 is about 65411.3998092076. The cubic root of 4278651225 is about 1623.4377063639.

The spelling of 4278651225 in words is "four billion, two hundred seventy-eight million, six hundred fifty-one thousand, two hundred twenty-five".