2550138 has 16 divisors (see below), whose sum is σ = 5115936. Its totient is φ = 847440.

The previous prime is 2550133. The next prime is 2550139. The reversal of 2550138 is 8310552.

It is not an unprimeable number, because it can be changed into a prime (2550133) 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, 3528 + ... + 4188.

It is an arithmetic number, because the mean of its divisors is an integer number (319746).

2^2550138 is an apocalyptic number.

2550138 is an abundant number, since it is smaller than the sum of its proper divisors (2565798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2550138 is a wasteful number, since it uses less digits than its factorization.

2550138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1309.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2550138 is about 1596.9151511586. The cubic root of 2550138 is about 136.6221852729.

The spelling of 2550138 in words is "two million, five hundred fifty thousand, one hundred thirty-eight".