2550490 has 8 divisors (see below), whose sum is σ = 4590900. Its totient is φ = 1020192.

The previous prime is 2550479. The next prime is 2550497. The reversal of 2550490 is 940552.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 81 = 1597^2 + 9^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2550497) 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 3 ways as a sum of consecutive naturals, for example, 127515 + ... + 127534.

2^2550490 is an apocalyptic number.

2550490 is a deficient number, since it is larger than the sum of its proper divisors (2040410).

2550490 is a wasteful number, since it uses less digits than its factorization.

2550490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255056.

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

The square root of 2550490 is about 1597.0253598487. The cubic root of 2550490 is about 136.6284710499.

The spelling of 2550490 in words is "two million, five hundred fifty thousand, four hundred ninety".