4242265 has 16 divisors (see below), whose sum is σ = 5579280. Its totient is φ = 3082240.

The previous prime is 4242253. The next prime is 4242269. The reversal of 4242265 is 5622424.

It can be written as a sum of positive squares in 8 ways, for example, as 190096 + 4052169 = 436^2 + 2013^2 .

It is not a de Polignac number, because 4242265 - 2⁵ = 4242233 is a prime.

It is a d-powerful number, because it can be written as 4 + 2⁸ + 4² + 2¹⁰ + 2²² + 6⁶ + 5 .

4242265 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4242269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1605 + ... + 3325.

It is an arithmetic number, because the mean of its divisors is an integer number (348705).

Almost surely, 2^4242265 is an apocalyptic number.

It is an amenable number.

4242265 is a deficient number, since it is larger than the sum of its proper divisors (1337015).

4242265 is a wasteful number, since it uses less digits than its factorization.

4242265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1772.

The product of its digits is 3840, while the sum is 25.

The square root of 4242265 is about 2059.6759453856. The cubic root of 4242265 is about 161.8822621628.

Adding to 4242265 its reverse (5622424), we get a palindrome (9864689).

The spelling of 4242265 in words is "four million, two hundred forty-two thousand, two hundred sixty-five".