2130546 has 32 divisors (see below), whose sum is σ = 4896000. Its totient is φ = 611280.

The previous prime is 2130539. The next prime is 2130577. The reversal of 2130546 is 6450312.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 405 + ... + 2103.

It is an arithmetic number, because the mean of its divisors is an integer number (153000).

2^2130546 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2130546, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448000).

2130546 is an abundant number, since it is smaller than the sum of its proper divisors (2765454).

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

2130546 is a wasteful number, since it uses less digits than its factorization.

2130546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 2130546 is about 1459.6389964645. The cubic root of 2130546 is about 128.6758280798.

Adding to 2130546 its reverse (6450312), we get a palindrome (8580858).

The spelling of 2130546 in words is "two million, one hundred thirty thousand, five hundred forty-six".