3023281 has 4 divisors (see below), whose sum is σ = 3154752. Its totient is φ = 2891812.

The previous prime is 3023257. The next prime is 3023303. The reversal of 3023281 is 1823203.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3023281 - 2⁹ = 3022769 is a prime.

It is a super-2 number, since 2×3023281² = 18280456009922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3023081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65701 + ... + 65746.

It is an arithmetic number, because the mean of its divisors is an integer number (788688).

Almost surely, 2^3023281 is an apocalyptic number.

It is an amenable number.

3023281 is a deficient number, since it is larger than the sum of its proper divisors (131471).

3023281 is a wasteful number, since it uses less digits than its factorization.

3023281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131470.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 3023281 is about 1738.7584651124. The cubic root of 3023281 is about 144.5970740142.

Adding to 3023281 its reverse (1823203), we get a palindrome (4846484).

The spelling of 3023281 in words is "three million, twenty-three thousand, two hundred eighty-one".