2550249 has 24 divisors (see below), whose sum is σ = 4036032. Its totient is φ = 1542240.

The previous prime is 2550209. The next prime is 2550253. The reversal of 2550249 is 9420552.

It is not a de Polignac number, because 2550249 - 2⁸ = 2549993 is a prime.

2550249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2550209) 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 23 ways as a sum of consecutive naturals, for example, 8154 + ... + 8460.

It is an arithmetic number, because the mean of its divisors is an integer number (168168).

2^2550249 is an apocalyptic number.

It is an amenable number.

2550249 is a deficient number, since it is larger than the sum of its proper divisors (1485783).

2550249 is a wasteful number, since it uses less digits than its factorization.

2550249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 2550249 is about 1596.9499052882. The cubic root of 2550249 is about 136.6241674980.

The spelling of 2550249 in words is "two million, five hundred fifty thousand, two hundred forty-nine".