4243252 has 18 divisors (see below), whose sum is σ = 8042118. Its totient is φ = 1958112.

The previous prime is 4243243. The next prime is 4243279. The reversal of 4243252 is 2523424.

It can be written as a sum of positive squares in 3 ways, for example, as 417316 + 3825936 = 646^2 + 1956^2 .

It is a d-powerful number, because it can be written as 4² + 2⁸ + 4⁴ + 3³ + 2¹⁵ + 5⁶ + 2²² .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2463 + ... + 3814.

Almost surely, 2^4243252 is an apocalyptic number.

It is an amenable number.

4243252 is a deficient number, since it is larger than the sum of its proper divisors (3798866).

4243252 is a wasteful number, since it uses less digits than its factorization.

4243252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6307 (or 6292 counting only the distinct ones).

The product of its digits is 1920, while the sum is 22.

The square root of 4243252 is about 2059.9155322488. The cubic root of 4243252 is about 161.8948156300.

Adding to 4243252 its reverse (2523424), we get a palindrome (6766676).

The spelling of 4243252 in words is "four million, two hundred forty-three thousand, two hundred fifty-two".