2560025 has 12 divisors (see below), whose sum is σ = 3419052. Its totient is φ = 1890240.

The previous prime is 2560021. The next prime is 2560031. The reversal of 2560025 is 5200652.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 652864 + 1907161 = 808^2 + 1381^2 .

It is not a de Polignac number, because 2560025 - 2² = 2560021 is a prime.

It is a super-3 number, since 3×2560025³ = 50333122574400046875, which contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2559979 and 2560006.

It is not an unprimeable number, because it can be changed into a prime (2560021) 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, 3614 + ... + 4263.

It is an arithmetic number, because the mean of its divisors is an integer number (284921).

2^2560025 is an apocalyptic number.

2560025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2560025 is a deficient number, since it is larger than the sum of its proper divisors (859027).

2560025 is a wasteful number, since it uses less digits than its factorization.

2560025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7900 (or 7895 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 2560025 is about 1600.0078124809. The cubic root of 2560025 is about 136.7985210389.

Adding to 2560025 its reverse (5200652), we get a palindrome (7760677).

It can be divided in two parts, 25600 and 25, that multiplied together give a square (640000 = 800²).

The spelling of 2560025 in words is "two million, five hundred sixty thousand, twenty-five".