2505755 has 8 divisors (see below), whose sum is σ = 3436512. Its totient is φ = 1718208.

The previous prime is 2505743. The next prime is 2505773. The reversal of 2505755 is 5575052.

2505755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2505755 - 2⁶ = 2505691 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 35762 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (429564).

2^2505755 is an apocalyptic number.

2505755 is a deficient number, since it is larger than the sum of its proper divisors (930757).

2505755 is an equidigital number, since it uses as much as digits as its factorization.

2505755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71605.

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 2505755 is about 1582.9576747342. The cubic root of 2505755 is about 135.8249441752.

The spelling of 2505755 in words is "two million, five hundred five thousand, seven hundred fifty-five".