4381987225 has 24 divisors (see below), whose sum is σ = 6774441408. Its totient is φ = 2731627200.

The previous prime is 4381987193. The next prime is 4381987231. The reversal of 4381987225 is 5227891834.

It is not a de Polignac number, because 4381987225 - 2⁵ = 4381987193 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1136254 + ... + 1140103.

It is an arithmetic number, because the mean of its divisors is an integer number (282268392).

Almost surely, 2^4381987225 is an apocalyptic number.

It is an amenable number.

4381987225 is a deficient number, since it is larger than the sum of its proper divisors (2392454183).

4381987225 is a wasteful number, since it uses less digits than its factorization.

4381987225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2276385 (or 2276380 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 4381987225 is about 66196.5801609116. The cubic root of 4381987225 is about 1636.4033844137.

It can be divided in two parts, 43819 and 87225, that added together give a square (131044 = 362²).

The spelling of 4381987225 in words is "four billion, three hundred eighty-one million, nine hundred eighty-seven thousand, two hundred twenty-five".