2585725 has 12 divisors (see below), whose sum is σ = 3226356. Its totient is φ = 2055680.

The previous prime is 2585707. The next prime is 2585743. The reversal of 2585725 is 5275852.

It is an interprime number because it is at equal distance from previous prime (2585707) and next prime (2585743).

It can be written as a sum of positive squares in 6 ways, for example, as 19321 + 2566404 = 139^2 + 1602^2 .

It is not a de Polignac number, because 2585725 - 2²¹ = 488573 is a prime.

It is a Duffinian number.

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, 7149 + ... + 7501.

It is an arithmetic number, because the mean of its divisors is an integer number (268863).

2^2585725 is an apocalyptic number.

2585725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2585725 is a deficient number, since it is larger than the sum of its proper divisors (640631).

2585725 is a wasteful number, since it uses less digits than its factorization.

2585725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656 (or 651 counting only the distinct ones).

The product of its digits is 28000, while the sum is 34.

The square root of 2585725 is about 1608.0189675498. The cubic root of 2585725 is about 137.2547695043.

The spelling of 2585725 in words is "two million, five hundred eighty-five thousand, seven hundred twenty-five".