4065225 has 24 divisors (see below), whose sum is σ = 6829920. Its totient is φ = 2133120.

The previous prime is 4065211. The next prime is 4065241. The reversal of 4065225 is 5225604.

It is not a de Polignac number, because 4065225 - 2⁴ = 4065209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4065195 and 4065204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4621 + ... + 5429.

It is an arithmetic number, because the mean of its divisors is an integer number (284580).

Almost surely, 2^4065225 is an apocalyptic number.

It is an amenable number.

4065225 is a deficient number, since it is larger than the sum of its proper divisors (2764695).

4065225 is a wasteful number, since it uses less digits than its factorization.

4065225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 884 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4065225 is about 2016.2403130579. The cubic root of 4065225 is about 159.5982760600.

The spelling of 4065225 in words is "four million, sixty-five thousand, two hundred twenty-five".