2618533 has 2 divisors, whose sum is σ = 2618534. Its totient is φ = 2618532.

The previous prime is 2618531. The next prime is 2618537. The reversal of 2618533 is 3358162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2614689 + 3844 = 1617^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 2618533 - 2¹ = 2618531 is a prime.

Together with 2618531, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2618531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1309266 + 1309267.

It is an arithmetic number, because the mean of its divisors is an integer number (1309267).

2^2618533 is an apocalyptic number.

It is an amenable number.

2618533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2618533 is an equidigital number, since it uses as much as digits as its factorization.

2618533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 28.

The square root of 2618533 is about 1618.1881843593. The cubic root of 2618533 is about 137.8328333608.

The spelling of 2618533 in words is "two million, six hundred eighteen thousand, five hundred thirty-three".