4267991225 has 6 divisors (see below), whose sum is σ = 5292309150. Its totient is φ = 3414392960.

The previous prime is 4267991201. The next prime is 4267991237. The reversal of 4267991225 is 5221997624.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1160151721 + 3107839504 = 34061^2 + 55748^2 .

It is not a de Polignac number, because 4267991225 - 2²⁰ = 4266942649 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4267991225.

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 5 ways as a sum of consecutive naturals, for example, 85359800 + ... + 85359849.

It is an arithmetic number, because the mean of its divisors is an integer number (882051525).

Almost surely, 2^4267991225 is an apocalyptic number.

It is an amenable number.

4267991225 is a deficient number, since it is larger than the sum of its proper divisors (1024317925).

4267991225 is a wasteful number, since it uses less digits than its factorization.

4267991225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170719659 (or 170719654 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 4267991225 is about 65329.8647251010. The cubic root of 4267991225 is about 1622.0883529407.

The spelling of 4267991225 in words is "four billion, two hundred sixty-seven million, nine hundred ninety-one thousand, two hundred twenty-five".