25325 has 6 divisors (see below), whose sum is σ = 31434. Its totient is φ = 20240.

The previous prime is 25321. The next prime is 25339. The reversal of 25325 is 52352.

25325 = 19² + 20² + ... + 43².

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 24964 = 19^2 + 158^2 .

It is not a de Polignac number, because 25325 - 2² = 25321 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 25325.

It is not an unprimeable number, because it can be changed into a prime (25321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 482 + ... + 531.

It is an arithmetic number, because the mean of its divisors is an integer number (5239).

2²⁵³²⁵ is an apocalyptic number.

25325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25325 is a deficient number, since it is larger than the sum of its proper divisors (6109).

25325 is a wasteful number, since it uses less digits than its factorization.

25325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 1018 counting only the distinct ones).

The product of its digits is 300, while the sum is 17.

The square root of 25325 is about 159.1383046284. The cubic root of 25325 is about 29.3663396833.

Adding to 25325 its reverse (52352), we get a palindrome (77677).

The spelling of 25325 in words is "twenty-five thousand, three hundred twenty-five".