2825780 has 24 divisors (see below), whose sum is σ = 6193152. Its totient is φ = 1080992.

The previous prime is 2825777. The next prime is 2825783. The reversal of 2825780 is 875282.

2825780 = T₂₇ + T₂₈ + ... + T₂₅₆.

2825780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2825777) and next prime (2825783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2825783) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2612 + ... + 3531.

It is an arithmetic number, because the mean of its divisors is an integer number (258048).

2^2825780 is an apocalyptic number.

2825780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2825780 is an abundant number, since it is smaller than the sum of its proper divisors (3367372).

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

2825780 is a wasteful number, since it uses less digits than its factorization.

2825780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175 (or 6173 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2825780 is about 1681.0056513885. The cubic root of 2825780 is about 141.3772237208.

The spelling of 2825780 in words is "two million, eight hundred twenty-five thousand, seven hundred eighty".