2645063 has 2 divisors, whose sum is σ = 2645064. Its totient is φ = 2645062.

The previous prime is 2645057. The next prime is 2645087. The reversal of 2645063 is 3605462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2645063 - 2¹⁰ = 2644039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2645263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1322531 + 1322532.

It is an arithmetic number, because the mean of its divisors is an integer number (1322532).

2^2645063 is an apocalyptic number.

2645063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2645063 is an equidigital number, since it uses as much as digits as its factorization.

2645063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2645063 is about 1626.3649651908. The cubic root of 2645063 is about 138.2967603837.

The spelling of 2645063 in words is "two million, six hundred forty-five thousand, sixty-three".