2433281 has 4 divisors (see below), whose sum is σ = 2436864. Its totient is φ = 2429700.

The previous prime is 2433271. The next prime is 2433293. The reversal of 2433281 is 1823342.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1823342 = 2 ⋅911671.

It is a cyclic number.

It is not a de Polignac number, because 2433281 - 2⁶ = 2433217 is a prime.

It is a super-2 number, since 2×2433281² = 11841712849922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2433251) 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, 425 + ... + 2246.

It is an arithmetic number, because the mean of its divisors is an integer number (609216).

2^2433281 is an apocalyptic number.

It is an amenable number.

2433281 is a deficient number, since it is larger than the sum of its proper divisors (3583).

2433281 is an equidigital number, since it uses as much as digits as its factorization.

2433281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3582.

The product of its digits is 1152, while the sum is 23.

The square root of 2433281 is about 1559.8977530595. The cubic root of 2433281 is about 134.5026233694.

The spelling of 2433281 in words is "two million, four hundred thirty-three thousand, two hundred eighty-one".