1305063 has 6 divisors (see below), whose sum is σ = 1885104. Its totient is φ = 870036.

The previous prime is 1305061. The next prime is 1305097. The reversal of 1305063 is 3605031.

It is not a de Polignac number, because 1305063 - 2¹ = 1305061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305061) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72495 + ... + 72512.

It is an arithmetic number, because the mean of its divisors is an integer number (314184).

2^1305063 is an apocalyptic number.

1305063 is a deficient number, since it is larger than the sum of its proper divisors (580041).

1305063 is a wasteful number, since it uses less digits than its factorization.

1305063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145013 (or 145010 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 18.

The square root of 1305063 is about 1142.3935398977. The cubic root of 1305063 is about 109.2807899504.

Subtracting 1305063 from its reverse (3605031), we obtain a cube (2299968 = 132³).

The spelling of 1305063 in words is "one million, three hundred five thousand, sixty-three".