2550330 has 48 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 663264.

The previous prime is 2550329. The next prime is 2550337. The reversal of 2550330 is 330552.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2550337) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3541 + ... + 4199.

It is an arithmetic number, because the mean of its divisors is an integer number (141570).

2^2550330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2550330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3397680).

2550330 is an abundant number, since it is smaller than the sum of its proper divisors (4245030).

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

2550330 is a wasteful number, since it uses less digits than its factorization.

2550330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 712 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 18.

The square root of 2550330 is about 1596.9752659324. The cubic root of 2550330 is about 136.6256139502.

Adding to 2550330 its reverse (330552), we get a palindrome (2880882).

The spelling of 2550330 in words is "two million, five hundred fifty thousand, three hundred thirty".