2506449 has 16 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1506000.

The previous prime is 2506447. The next prime is 2506459. The reversal of 2506449 is 9446052.

It is not a de Polignac number, because 2506449 - 2¹ = 2506447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2506447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4732 + ... + 5234.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

2^2506449 is an apocalyptic number.

It is an amenable number.

2506449 is a deficient number, since it is larger than the sum of its proper divisors (1170735).

2506449 is a wasteful number, since it uses less digits than its factorization.

2506449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 2506449 is about 1583.1768694622. The cubic root of 2506449 is about 135.8374824867.

The spelling of 2506449 in words is "two million, five hundred six thousand, four hundred forty-nine".