2445403 has 4 divisors (see below), whose sum is σ = 2454328. Its totient is φ = 2436480.

The previous prime is 2445389. The next prime is 2445409. The reversal of 2445403 is 3045442.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2445403 - 2⁵ = 2445371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4038 + ... + 4603.

It is an arithmetic number, because the mean of its divisors is an integer number (613582).

2^2445403 is an apocalyptic number.

2445403 is a deficient number, since it is larger than the sum of its proper divisors (8925).

2445403 is an equidigital number, since it uses as much as digits as its factorization.

2445403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8924.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 2445403 is about 1563.7784369916. The cubic root of 2445403 is about 134.7256063548.

The spelling of 2445403 in words is "two million, four hundred forty-five thousand, four hundred three".