2645933 has 2 divisors, whose sum is σ = 2645934. Its totient is φ = 2645932.

The previous prime is 2645927. The next prime is 2645941. The reversal of 2645933 is 3395462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2010724 + 635209 = 1418^2 + 797^2 .

It is a cyclic number.

It is not a de Polignac number, because 2645933 - 2⁴ = 2645917 is a prime.

It is a super-2 number, since 2×2645933² = 14001922880978, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2645933.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645233) 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, 1322966 + 1322967.

It is an arithmetic number, because the mean of its divisors is an integer number (1322967).

2^2645933 is an apocalyptic number.

It is an amenable number.

2645933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645933 is an equidigital number, since it uses as much as digits as its factorization.

2645933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 32.

The square root of 2645933 is about 1626.6324108415. The cubic root of 2645933 is about 138.3119213323.

The spelling of 2645933 in words is "two million, six hundred forty-five thousand, nine hundred thirty-three".