2563449 has 8 divisors (see below), whose sum is σ = 3906240. Its totient is φ = 1464816.

The previous prime is 2563441. The next prime is 2563453. The reversal of 2563449 is 9443652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2563449 - 2³ = 2563441 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 5⁹ + 6⁷ + 3⁷ + 4⁸ + 4⁹ + 9 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2563441) 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 7 ways as a sum of consecutive naturals, for example, 61014 + ... + 61055.

It is an arithmetic number, because the mean of its divisors is an integer number (488280).

2^2563449 is an apocalyptic number.

It is an amenable number.

2563449 is a deficient number, since it is larger than the sum of its proper divisors (1342791).

2563449 is a wasteful number, since it uses less digits than its factorization.

2563449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122079.

The product of its digits is 25920, while the sum is 33.

The square root of 2563449 is about 1601.0774497194. The cubic root of 2563449 is about 136.8594826136.

The spelling of 2563449 in words is "two million, five hundred sixty-three thousand, four hundred forty-nine".