2445505 has 4 divisors (see below), whose sum is σ = 2934612. Its totient is φ = 1956400.

The previous prime is 2445481. The next prime is 2445517. The reversal of 2445505 is 5055442.

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 258064 + 2187441 = 508^2 + 1479^2 .

It is not a de Polignac number, because 2445505 - 2²¹ = 348353 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2445505.

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, 244546 + ... + 244555.

It is an arithmetic number, because the mean of its divisors is an integer number (733653).

2^2445505 is an apocalyptic number.

It is an amenable number.

2445505 is a deficient number, since it is larger than the sum of its proper divisors (489107).

2445505 is an equidigital number, since it uses as much as digits as its factorization.

2445505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489106.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 2445505 is about 1563.8110499674. The cubic root of 2445505 is about 134.7274795050.

The spelling of 2445505 in words is "two million, four hundred forty-five thousand, five hundred five".