2318533 has 6 divisors (see below), whose sum is σ = 2697126. Its totient is φ = 1987272.

The previous prime is 2318527. The next prime is 2318543. The reversal of 2318533 is 3358132.

It can be written as a sum of positive squares in only one way, i.e., 2244004 + 74529 = 1498^2 + 273^2 .

It is not a de Polignac number, because 2318533 - 2⁵ = 2318501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2318498 and 2318507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2318543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23610 + ... + 23707.

It is an arithmetic number, because the mean of its divisors is an integer number (449521).

2^2318533 is an apocalyptic number.

It is an amenable number.

2318533 is a deficient number, since it is larger than the sum of its proper divisors (378593).

2318533 is an equidigital number, since it uses as much as digits as its factorization.

2318533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47331 (or 47324 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 2318533 is about 1522.6729786793. The cubic root of 2318533 is about 132.3542101219.

The spelling of 2318533 in words is "two million, three hundred eighteen thousand, five hundred thirty-three".