2550520 has 32 divisors (see below), whose sum is σ = 6559200. Its totient is φ = 874368.

The previous prime is 2550497. The next prime is 2550551. The reversal of 2550520 is 250552.

It is a congruent number.

It is an unprimeable number.

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, 4275 + ... + 4834.

It is an arithmetic number, because the mean of its divisors is an integer number (204975).

2^2550520 is an apocalyptic number.

2550520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550520 is an abundant number, since it is smaller than the sum of its proper divisors (4008680).

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

2550520 is a wasteful number, since it uses less digits than its factorization.

2550520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9127 (or 9123 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 19.

The square root of 2550520 is about 1597.0347522831. The cubic root of 2550520 is about 136.6290067428.

Subtracting from 2550520 its reverse (250552), we obtain a cube (2299968 = 132³).

The spelling of 2550520 in words is "two million, five hundred fifty thousand, five hundred twenty".