2445005 has 4 divisors (see below), whose sum is σ = 2934012. Its totient is φ = 1956000.

The previous prime is 2444983. The next prime is 2445011. The reversal of 2445005 is 5005442.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1898884 + 546121 = 1378^2 + 739^2 .

It is not a de Polignac number, because 2445005 - 2²⁰ = 1396429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244496 + ... + 244505.

It is an arithmetic number, because the mean of its divisors is an integer number (733503).

2^2445005 is an apocalyptic number.

It is an amenable number.

2445005 is a deficient number, since it is larger than the sum of its proper divisors (489007).

2445005 is an equidigital number, since it uses as much as digits as its factorization.

2445005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489006.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2445005 is about 1563.6511759341. The cubic root of 2445005 is about 134.7182968983.

The spelling of 2445005 in words is "two million, four hundred forty-five thousand, five".