1305053 has 4 divisors (see below), whose sum is σ = 1373760. Its totient is φ = 1236348.

The previous prime is 1305047. The next prime is 1305061. The reversal of 1305053 is 3505031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1305053 - 2¹⁰ = 1304029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1305013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34325 + ... + 34362.

It is an arithmetic number, because the mean of its divisors is an integer number (343440).

2^1305053 is an apocalyptic number.

It is an amenable number.

1305053 is a deficient number, since it is larger than the sum of its proper divisors (68707).

1305053 is an equidigital number, since it uses as much as digits as its factorization.

1305053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68706.

The product of its (nonzero) digits is 225, while the sum is 17.

The square root of 1305053 is about 1142.3891631139. The cubic root of 1305053 is about 109.2805108296.

The spelling of 1305053 in words is "one million, three hundred five thousand, fifty-three".