2645163 has 12 divisors (see below), whose sum is σ = 3931320. Its totient is φ = 1757808.

The previous prime is 2645141. The next prime is 2645171. The reversal of 2645163 is 3615462.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2645163 is a `hidden beast` number, since 2 + 645 + 16 + 3 = 666.

2645163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2645163 - 2⁵ = 2645131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2645063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8295 + ... + 8607.

It is an arithmetic number, because the mean of its divisors is an integer number (327610).

2^2645163 is an apocalyptic number.

2645163 is a deficient number, since it is larger than the sum of its proper divisors (1286157).

2645163 is an frugal number, since it uses more digits than its factorization.

2645163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 316 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 2645163 is about 1626.3957083072. The cubic root of 2645163 is about 138.2985031905.

Multiplying 2645163 by its sum of digits (27), we get a square (71419401 = 8451²).

2645163 divided by its sum of digits (27) gives a square (97969 = 313²).

Subtracting 2645163 from its reverse (3615462), we obtain a cube (970299 = 99³).

The spelling of 2645163 in words is "two million, six hundred forty-five thousand, one hundred sixty-three".