4025268025 has 9 divisors (see below), whose sum is σ = 4991725741. Its totient is φ = 3219960640.

The previous prime is 4025267963. The next prime is 4025268031. The reversal of 4025268025 is 5208625204.

The square root of 4025268025 is 63445.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1233625129 + 2791642896 = 35123^2 + 52836^2 .

It is not a de Polignac number, because 4025268025 - 2²¹ = 4023170873 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 310881 + ... + 323569.

Almost surely, 2^4025268025 is an apocalyptic number.

4025268025 is the 63445-th square number.

4025268025 is the 31723-rd centered octagonal number.

It is an amenable number.

4025268025 is a deficient number, since it is larger than the sum of its proper divisors (966457716).

4025268025 is an frugal number, since it uses more digits than its factorization.

4025268025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25388 (or 12694 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The cubic root of 4025268025 is about 1590.7365790703.

The spelling of 4025268025 in words is "four billion, twenty-five million, two hundred sixty-eight thousand, twenty-five".