2518049 has 4 divisors (see below), whose sum is σ = 2521236. Its totient is φ = 2514864.

The previous prime is 2518003. The next prime is 2518067. The reversal of 2518049 is 9408152.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1940449 + 577600 = 1393^2 + 760^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2518049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2518069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587 + ... + 2319.

It is an arithmetic number, because the mean of its divisors is an integer number (630309).

2^2518049 is an apocalyptic number.

It is an amenable number.

2518049 is a deficient number, since it is larger than the sum of its proper divisors (3187).

2518049 is a wasteful number, since it uses less digits than its factorization.

2518049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3186.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2518049 is about 1586.8361604148. The cubic root of 2518049 is about 136.0467147767.

The spelling of 2518049 in words is "two million, five hundred eighteen thousand, forty-nine".