2499803 has 2 divisors, whose sum is σ = 2499804. Its totient is φ = 2499802.

The previous prime is 2499793. The next prime is 2499821. The reversal of 2499803 is 3089942.

2499803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2499803 is a prime.

It is not a weakly prime, because it can be changed into another prime (2499853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249901 + 1249902.

It is an arithmetic number, because the mean of its divisors is an integer number (1249902).

2^2499803 is an apocalyptic number.

2499803 is a deficient number, since it is larger than the sum of its proper divisors (1).

2499803 is an equidigital number, since it uses as much as digits as its factorization.

2499803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2499803 is about 1581.0765319870. The cubic root of 2499803 is about 135.7173158010.

The spelling of 2499803 in words is "two million, four hundred ninety-nine thousand, eight hundred three".