4025025 has 48 divisors (see below), whose sum is σ = 7588800. Its totient is φ = 2090880.

The previous prime is 4025003. The next prime is 4025027. The reversal of 4025025 is 5205204.

It is not a de Polignac number, because 4025025 - 2⁶ = 4024961 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4024989 and 4025007.

It is not an unprimeable number, because it can be changed into a prime (4025027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45181 + ... + 45269.

It is an arithmetic number, because the mean of its divisors is an integer number (158100).

Almost surely, 2^4025025 is an apocalyptic number.

4025025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4025025 is a deficient number, since it is larger than the sum of its proper divisors (3563775).

4025025 is a wasteful number, since it uses less digits than its factorization.

4025025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 4025025 is about 2006.2464953240. The cubic root of 4025025 is about 159.0704564926.

The spelling of 4025025 in words is "four million, twenty-five thousand, twenty-five".