2440533 has 4 divisors (see below), whose sum is σ = 3254048. Its totient is φ = 1627020.

The previous prime is 2440523. The next prime is 2440541. The reversal of 2440533 is 3350442.

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 not a de Polignac number, because 2440533 - 2⁴ = 2440517 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440513) 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, 406753 + ... + 406758.

It is an arithmetic number, because the mean of its divisors is an integer number (813512).

2^2440533 is an apocalyptic number.

It is an amenable number.

2440533 is a deficient number, since it is larger than the sum of its proper divisors (813515).

2440533 is an equidigital number, since it uses as much as digits as its factorization.

2440533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813514.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 2440533 is about 1562.2205350078. The cubic root of 2440533 is about 134.6361119397.

Adding to 2440533 its reverse (3350442), we get a palindrome (5790975).

Subtracting 2440533 from its reverse (3350442), we obtain a palindrome (909909).

The spelling of 2440533 in words is "two million, four hundred forty thousand, five hundred thirty-three".