25761325 has 18 divisors (see below), whose sum is σ = 32795582. Its totient is φ = 20073600.

The previous prime is 25761313. The next prime is 25761331. The reversal of 25761325 is 52316752.

It can be written as a sum of positive squares in 9 ways, for example, as 25462116 + 299209 = 5046^2 + 547^2 .

It is not a de Polignac number, because 25761325 - 2⁵ = 25761293 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 41719 + ... + 42331.

Almost surely, 2^25761325 is an apocalyptic number.

25761325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25761325 is a deficient number, since it is larger than the sum of its proper divisors (7034257).

25761325 is an equidigital number, since it uses as much as digits as its factorization.

25761325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705 (or 659 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 25761325 is about 5075.5615452874. The cubic root of 25761325 is about 295.3403139541.

The spelling of 25761325 in words is "twenty-five million, seven hundred sixty-one thousand, three hundred twenty-five".