2565725 has 12 divisors (see below), whose sum is σ = 3369204. Its totient is φ = 1931520.

The previous prime is 2565713. The next prime is 2565757. The reversal of 2565725 is 5275652.

It can be written as a sum of positive squares in 6 ways, for example, as 63001 + 2502724 = 251^2 + 1582^2 .

It is not a de Polignac number, because 2565725 - 2⁴ = 2565709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2565691 and 2565700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2594 + ... + 3443.

It is an arithmetic number, because the mean of its divisors is an integer number (280767).

2^2565725 is an apocalyptic number.

2565725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2565725 is a deficient number, since it is larger than the sum of its proper divisors (803479).

2565725 is a wasteful number, since it uses less digits than its factorization.

2565725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6064 (or 6059 counting only the distinct ones).

The product of its digits is 21000, while the sum is 32.

The square root of 2565725 is about 1601.7880633842. The cubic root of 2565725 is about 136.8999749399.

The spelling of 2565725 in words is "two million, five hundred sixty-five thousand, seven hundred twenty-five".