2445049 has 4 divisors (see below), whose sum is σ = 2491236. Its totient is φ = 2398864.

The previous prime is 2445043. The next prime is 2445067. The reversal of 2445049 is 9405442.

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 1607824 + 837225 = 1268^2 + 915^2 .

It is a cyclic number.

It is not a de Polignac number, because 2445049 - 2⁷ = 2444921 is a prime.

It is a super-2 number, since 2×2445049² = 11956529224802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23014 + ... + 23119.

It is an arithmetic number, because the mean of its divisors is an integer number (622809).

2^2445049 is an apocalyptic number.

It is an amenable number.

2445049 is a deficient number, since it is larger than the sum of its proper divisors (46187).

2445049 is an equidigital number, since it uses as much as digits as its factorization.

2445049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46186.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 2445049 is about 1563.6652455049. The cubic root of 2445049 is about 134.7191050180.

It can be divided in two parts, 2 and 445049, that multiplied together give a palindrome (890098).

The spelling of 2445049 in words is "two million, four hundred forty-five thousand, forty-nine".