2550522 has 32 divisors (see below), whose sum is σ = 5785920. Its totient is φ = 743040.

The previous prime is 2550497. The next prime is 2550551. The reversal of 2550522 is 2250552.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 2342.

It is an arithmetic number, because the mean of its divisors is an integer number (180810).

2^2550522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2892960).

2550522 is an abundant number, since it is smaller than the sum of its proper divisors (3235398).

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

2550522 is a wasteful number, since it uses less digits than its factorization.

2550522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758.

The product of its (nonzero) digits is 1000, while the sum is 21.

The square root of 2550522 is about 1597.0353784434. The cubic root of 2550522 is about 136.6290424555.

The spelling of 2550522 in words is "two million, five hundred fifty thousand, five hundred twenty-two".