4187887325 has 6 divisors (see below), whose sum is σ = 5192980314. Its totient is φ = 3350309840.

The previous prime is 4187887307. The next prime is 4187887343. The reversal of 4187887325 is 5237887814.

It is an interprime number because it is at equal distance from previous prime (4187887307) and next prime (4187887343).

It can be written as a sum of positive squares in 3 ways, for example, as 32924644 + 4154962681 = 5738^2 + 64459^2 .

It is not a de Polignac number, because 4187887325 - 2¹⁶ = 4187821789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83757722 + ... + 83757771.

It is an arithmetic number, because the mean of its divisors is an integer number (865496719).

Almost surely, 2^4187887325 is an apocalyptic number.

It is an amenable number.

4187887325 is a deficient number, since it is larger than the sum of its proper divisors (1005092989).

4187887325 is a wasteful number, since it uses less digits than its factorization.

4187887325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167515503 (or 167515498 counting only the distinct ones).

The product of its digits is 3010560, while the sum is 53.

The square root of 4187887325 is about 64713.8881925665. Note that the first 3 decimals coincide. The cubic root of 4187887325 is about 1611.8761258605.

The spelling of 4187887325 in words is "four billion, one hundred eighty-seven million, eight hundred eighty-seven thousand, three hundred twenty-five".