2550620 has 24 divisors (see below), whose sum is σ = 5432784. Its totient is φ = 1005696.

The previous prime is 2550619. The next prime is 2550641. The reversal of 2550620 is 260552.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2550592 and 2550601.

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, 587 + ... + 2333.

It is an arithmetic number, because the mean of its divisors is an integer number (226366).

2^2550620 is an apocalyptic number.

2550620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2550620 is an abundant number, since it is smaller than the sum of its proper divisors (2882164).

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

2550620 is a wasteful number, since it uses less digits than its factorization.

2550620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1827 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2550620 is about 1597.0660599988. The cubic root of 2550620 is about 136.6307923554.

The spelling of 2550620 in words is "two million, five hundred fifty thousand, six hundred twenty".