2445903 has 16 divisors (see below), whose sum is σ = 3652960. Its totient is φ = 1617408.

The previous prime is 2445899. The next prime is 2445907. The reversal of 2445903 is 3095442.

2445903 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2445899) and next prime (2445907).

It is not a de Polignac number, because 2445903 - 2² = 2445899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445907) 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 in 15 ways as a sum of consecutive naturals, for example, 3951 + ... + 4527.

It is an arithmetic number, because the mean of its divisors is an integer number (228310).

2^2445903 is an apocalyptic number.

2445903 is a deficient number, since it is larger than the sum of its proper divisors (1207057).

2445903 is a wasteful number, since it uses less digits than its factorization.

2445903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2445903 is about 1563.9382980156. The cubic root of 2445903 is about 134.7347879652.

The spelling of 2445903 in words is "two million, four hundred forty-five thousand, nine hundred three".