2573805 has 32 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 1241856.

The previous prime is 2573803. The next prime is 2573807. The reversal of 2573805 is 5083752.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2573803) and next prime (2573807).

It is not a de Polignac number, because 2573805 - 2¹ = 2573803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573803) 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 31 ways as a sum of consecutive naturals, for example, 12967 + ... + 13163.

It is an arithmetic number, because the mean of its divisors is an integer number (141372).

2^2573805 is an apocalyptic number.

It is an amenable number.

2573805 is a deficient number, since it is larger than the sum of its proper divisors (1950099).

2573805 is a wasteful number, since it uses less digits than its factorization.

2573805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2573805 is about 1604.3082621491. The cubic root of 2573805 is about 137.0435331489.

The spelling of 2573805 in words is "two million, five hundred seventy-three thousand, eight hundred five".