4025225125 has 8 divisors (see below), whose sum is σ = 5023481112. Its totient is φ = 3220180000.

The previous prime is 4025225123. The next prime is 4025225203. The reversal of 4025225125 is 5215225204.

It can be written as a sum of positive squares in 4 ways, for example, as 889113124 + 3136112001 = 29818^2 + 56001^2 .

It is not a de Polignac number, because 4025225125 - 2¹ = 4025225123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4025225093 and 4025225102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4025225123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16100776 + ... + 16101025.

It is an arithmetic number, because the mean of its divisors is an integer number (627935139).

Almost surely, 2^4025225125 is an apocalyptic number.

It is an amenable number.

4025225125 is a deficient number, since it is larger than the sum of its proper divisors (998255987).

4025225125 is an equidigital number, since it uses as much as digits as its factorization.

4025225125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32201816 (or 32201806 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 4025225125 is about 63444.6619109914. The cubic root of 4025225125 is about 1590.7309278655.

The spelling of 4025225125 in words is "four billion, twenty-five million, two hundred twenty-five thousand, one hundred twenty-five".