2573685 has 12 divisors (see below), whose sum is σ = 4461132. Its totient is φ = 1372608.

The previous prime is 2573657. The next prime is 2573689. The reversal of 2573685 is 5863752.

2573685 is a `hidden beast` number, since 2 + 573 + 6 + 85 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1758276 + 815409 = 1326^2 + 903^2 .

It is not a de Polignac number, because 2573685 - 2⁵ = 2573653 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28552 + ... + 28641.

It is an arithmetic number, because the mean of its divisors is an integer number (371761).

2^2573685 is an apocalyptic number.

It is an amenable number.

2573685 is a deficient number, since it is larger than the sum of its proper divisors (1887447).

2573685 is a wasteful number, since it uses less digits than its factorization.

2573685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57204 (or 57201 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 2573685 is about 1604.2708624169. The cubic root of 2573685 is about 137.0414032958.

The spelling of 2573685 in words is "two million, five hundred seventy-three thousand, six hundred eighty-five".