2752530 has 64 divisors (see below), whose sum is σ = 7603200. Its totient is φ = 630720.

The previous prime is 2752523. The next prime is 2752531. The reversal of 2752530 is 352572.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2752530.

It is not an unprimeable number, because it can be changed into a prime (2752531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6051 + ... + 6489.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2^2752530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2752530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3801600).

2752530 is an abundant number, since it is smaller than the sum of its proper divisors (4850670).

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

2752530 is a wasteful number, since it uses less digits than its factorization.

2752530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 2752530 is about 1659.0750435107. The cubic root of 2752530 is about 140.1449179668.

The spelling of 2752530 in words is "two million, seven hundred fifty-two thousand, five hundred thirty".