2575830 has 32 divisors (see below), whose sum is σ = 6508800. Its totient is φ = 650592.

The previous prime is 2575819. The next prime is 2575831. The reversal of 2575830 is 385752.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2575831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1690 + ... + 2829.

It is an arithmetic number, because the mean of its divisors is an integer number (203400).

2^2575830 is an apocalyptic number.

2575830 is an abundant number, since it is smaller than the sum of its proper divisors (3932970).

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

2575830 is a wasteful number, since it uses less digits than its factorization.

2575830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4548.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 2575830 is about 1604.9392511868. The cubic root of 2575830 is about 137.0794644396.

It can be divided in two parts, 25 and 75830, that added together give a triangular number (75855 = T₃₈₉).

The spelling of 2575830 in words is "two million, five hundred seventy-five thousand, eight hundred thirty".