2053745 has 4 divisors (see below), whose sum is σ = 2464500. Its totient is φ = 1642992.

The previous prime is 2053721. The next prime is 2053757. The reversal of 2053745 is 5473502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 717409 + 1336336 = 847^2 + 1156^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2053745 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 205370 + ... + 205379.

It is an arithmetic number, because the mean of its divisors is an integer number (616125).

2^2053745 is an apocalyptic number.

It is an amenable number.

2053745 is a deficient number, since it is larger than the sum of its proper divisors (410755).

2053745 is an equidigital number, since it uses as much as digits as its factorization.

2053745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410754.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 2053745 is about 1433.0893203147. The cubic root of 2053745 is about 127.1107183362.

It can be divided in two parts, 205374 and 5, that added together give a cube (205379 = 59³).

The spelling of 2053745 in words is "two million, fifty-three thousand, seven hundred forty-five".