2505575 has 24 divisors (see below), whose sum is σ = 3321216. Its totient is φ = 1872000.

The previous prime is 2505557. The next prime is 2505611. The reversal of 2505575 is 5755052.

It is not a de Polignac number, because 2505575 - 2¹² = 2501479 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 41045 + ... + 41105.

It is an arithmetic number, because the mean of its divisors is an integer number (138384).

2^2505575 is an apocalyptic number.

2505575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2505575 is a deficient number, since it is larger than the sum of its proper divisors (815641).

2505575 is a wasteful number, since it uses less digits than its factorization.

2505575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 150 counting only the distinct ones).

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

The square root of 2505575 is about 1582.9008181184. The cubic root of 2505575 is about 135.8216917854.

The spelling of 2505575 in words is "two million, five hundred five thousand, five hundred seventy-five".