2646533 has 2 divisors, whose sum is σ = 2646534. Its totient is φ = 2646532.

The previous prime is 2646517. The next prime is 2646551. The reversal of 2646533 is 3356462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1682209 + 964324 = 1297^2 + 982^2 .

It is a cyclic number.

It is not a de Polignac number, because 2646533 - 2⁴ = 2646517 is a prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²¹ + 6 + 4⁹ + 6⁷ + 5 + 3⁶ + 3⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 2646496 and 2646505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323266 + 1323267.

It is an arithmetic number, because the mean of its divisors is an integer number (1323267).

2^2646533 is an apocalyptic number.

It is an amenable number.

2646533 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646533 is an equidigital number, since it uses as much as digits as its factorization.

2646533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 29.

The square root of 2646533 is about 1626.8168305006. The cubic root of 2646533 is about 138.3223752227.

The spelling of 2646533 in words is "two million, six hundred forty-six thousand, five hundred thirty-three".