2550049 has 4 divisors (see below), whose sum is σ = 2553264. Its totient is φ = 2546836.

The previous prime is 2550019. The next prime is 2550059. The reversal of 2550049 is 9400552.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2550049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2550019) 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, 534 + ... + 2320.

It is an arithmetic number, because the mean of its divisors is an integer number (638316).

2^2550049 is an apocalyptic number.

It is an amenable number.

2550049 is a deficient number, since it is larger than the sum of its proper divisors (3215).

2550049 is a wasteful number, since it uses less digits than its factorization.

2550049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3214.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2550049 is about 1596.8872846886. The cubic root of 2550049 is about 136.6205958797.

The spelling of 2550049 in words is "two million, five hundred fifty thousand, forty-nine".