4243025 has 12 divisors (see below), whose sum is σ = 5385072. Its totient is φ = 3314640.

The previous prime is 4243009. The next prime is 4243039. The reversal of 4243025 is 5203424.

It is not a de Polignac number, because 4243025 - 2⁴ = 4243009 is a prime.

It is a super-2 number, since 2×4243025² = 36006522301250, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4242988 and 4243006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 899 + ... + 3048.

It is an arithmetic number, because the mean of its divisors is an integer number (448756).

Almost surely, 2^4243025 is an apocalyptic number.

It is an amenable number.

4243025 is a deficient number, since it is larger than the sum of its proper divisors (1142047).

4243025 is a wasteful number, since it uses less digits than its factorization.

4243025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000 (or 3995 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 4243025 is about 2059.8604321652. The cubic root of 4243025 is about 161.8919286321.

Adding to 4243025 its reverse (5203424), we get a palindrome (9446449).

The spelling of 4243025 in words is "four million, two hundred forty-three thousand, twenty-five".