2047305 has 16 divisors (see below), whose sum is σ = 3528000. Its totient is φ = 1007808.

The previous prime is 2047303. The next prime is 2047349. The reversal of 2047305 is 5037402.

2047305 = T₆₇₀ + T₆₇₁ + ... + T₆₇₈.

It is a happy number.

It is not a de Polignac number, because 2047305 - 2¹ = 2047303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2047303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5055 + ... + 5444.

It is an arithmetic number, because the mean of its divisors is an integer number (220500).

2^2047305 is an apocalyptic number.

It is an amenable number.

2047305 is a deficient number, since it is larger than the sum of its proper divisors (1480695).

2047305 is a wasteful number, since it uses less digits than its factorization.

2047305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10520.

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 2047305 is about 1430.8406619886. The cubic root of 2047305 is about 126.9777173794.

The spelling of 2047305 in words is "two million, forty-seven thousand, three hundred five".