4205025 has 36 divisors (see below), whose sum is σ = 8221200. Its totient is φ = 2037600.

The previous prime is 4205017. The next prime is 4205027. The reversal of 4205025 is 5205024.

It is not a de Polignac number, because 4205025 - 2³ = 4205017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4204989 and 4205007.

It is not an unprimeable number, because it can be changed into a prime (4205027) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1626 + ... + 3324.

Almost surely, 2^4205025 is an apocalyptic number.

4205025 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4205025 is a deficient number, since it is larger than the sum of its proper divisors (4016175).

4205025 is a wasteful number, since it uses less digits than its factorization.

4205025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1718 counting only the distinct ones).

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

The square root of 4205025 is about 2050.6157611800. The cubic root of 4205025 is about 161.4071840291.

Subtracting 4205025 from its reverse (5205024), we obtain a palindrome (999999).

It can be divided in two parts, 420 and 5025, that added together give a palindrome (5445).

The spelling of 4205025 in words is "four million, two hundred five thousand, twenty-five".