4263281 has 8 divisors (see below), whose sum is σ = 4730400. Its totient is φ = 3809440.

The previous prime is 4263253. The next prime is 4263283. The reversal of 4263281 is 1823624.

4263281 is nontrivially palindromic in base 9.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4263281 is a prime.

It is a super-2 number, since 2×4263281² = 36351129769922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4263281.

It is not an unprimeable number, because it can be changed into a prime (4263283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2636 + ... + 3933.

It is an arithmetic number, because the mean of its divisors is an integer number (591300).

Almost surely, 2^4263281 is an apocalyptic number.

It is an amenable number.

4263281 is a deficient number, since it is larger than the sum of its proper divisors (467119).

4263281 is a wasteful number, since it uses less digits than its factorization.

4263281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6639.

The product of its digits is 2304, while the sum is 26.

The square root of 4263281 is about 2064.7714159199. The cubic root of 4263281 is about 162.1491412200.

The spelling of 4263281 in words is "four million, two hundred sixty-three thousand, two hundred eighty-one".