2400533 has 16 divisors (see below), whose sum is σ = 2678400. Its totient is φ = 2143680.

The previous prime is 2400521. The next prime is 2400551. The reversal of 2400533 is 3350042.

It is not a de Polignac number, because 2400533 - 2⁶ = 2400469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2400833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39323 + ... + 39383.

It is an arithmetic number, because the mean of its divisors is an integer number (167400).

2^2400533 is an apocalyptic number.

2400533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2400533 is a deficient number, since it is larger than the sum of its proper divisors (277867).

2400533 is a wasteful number, since it uses less digits than its factorization.

2400533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 2400533 is about 1549.3653539433. The cubic root of 2400533 is about 133.8965006095.

Adding to 2400533 its reverse (3350042), we get a palindrome (5750575).

It can be divided in two parts, 2400 and 533, that multiplied together give a triangular number (1279200 = T₁₅₉₉).

The spelling of 2400533 in words is "two million, four hundred thousand, five hundred thirty-three".