2505593 has 4 divisors (see below), whose sum is σ = 2524020. Its totient is φ = 2487168.

The previous prime is 2505557. The next prime is 2505611. The reversal of 2505593 is 3955052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2111209 + 394384 = 1453^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505593 - 2⁸ = 2505337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505533) 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 3 ways as a sum of consecutive naturals, for example, 9008 + ... + 9281.

It is an arithmetic number, because the mean of its divisors is an integer number (631005).

2^2505593 is an apocalyptic number.

It is an amenable number.

2505593 is a deficient number, since it is larger than the sum of its proper divisors (18427).

2505593 is a wasteful number, since it uses less digits than its factorization.

2505593 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18426.

The product of its (nonzero) digits is 6750, while the sum is 29.

The square root of 2505593 is about 1582.9065038719. The cubic root of 2505593 is about 135.8220170314.

The spelling of 2505593 in words is "two million, five hundred five thousand, five hundred ninety-three".