2573803 has 2 divisors, whose sum is σ = 2573804. Its totient is φ = 2573802.

The previous prime is 2573777. The next prime is 2573807. The reversal of 2573803 is 3083752.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2573803 - 2¹³ = 2565611 is a prime.

It is equal to p₁₈₈₀₇₄ and since 2573803 and 188074 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (2573807) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286901 + 1286902.

It is an arithmetic number, because the mean of its divisors is an integer number (1286902).

2^2573803 is an apocalyptic number.

2573803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573803 is an equidigital number, since it uses as much as digits as its factorization.

2573803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2573803 is about 1604.3076388274. The cubic root of 2573803 is about 137.0434976519.

The spelling of 2573803 in words is "two million, five hundred seventy-three thousand, eight hundred three".