2550530 has 8 divisors (see below), whose sum is σ = 4590972. Its totient is φ = 1020208.

The previous prime is 2550497. The next prime is 2550551. The reversal of 2550530 is 350552.

It can be written as a sum of positive squares in 2 ways, for example, as 2550409 + 121 = 1597^2 + 11^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127517 + ... + 127536.

2^2550530 is an apocalyptic number.

2550530 is a deficient number, since it is larger than the sum of its proper divisors (2040442).

2550530 is a wasteful number, since it uses less digits than its factorization.

2550530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255060.

The product of its (nonzero) digits is 750, while the sum is 20.

The square root of 2550530 is about 1597.0378830823. The cubic root of 2550530 is about 136.6291853062.

The spelling of 2550530 in words is "two million, five hundred fifty thousand, five hundred thirty".