4245225 has 36 divisors (see below), whose sum is σ = 7405776. Its totient is φ = 2145440.

The previous prime is 4245217. The next prime is 4245239. The reversal of 4245225 is 5225424.

It is a happy number.

It is not a de Polignac number, because 4245225 - 2³ = 4245217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4245195 and 4245204.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 39622 + ... + 39728.

It is an arithmetic number, because the mean of its divisors is an integer number (205716).

Almost surely, 2^4245225 is an apocalyptic number.

It is an amenable number.

4245225 is a deficient number, since it is larger than the sum of its proper divisors (3160551).

4245225 is a wasteful number, since it uses less digits than its factorization.

4245225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 138 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 4245225 is about 2060.3943797244. The cubic root of 4245225 is about 161.9199040117.

The spelling of 4245225 in words is "four million, two hundred forty-five thousand, two hundred twenty-five".