25225727 has 4 divisors (see below), whose sum is σ = 25545120. Its totient is φ = 24906336.

The previous prime is 25225709. The next prime is 25225741. The reversal of 25225727 is 72752252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25225727 - 2⁸ = 25225471 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25225693 and 25225702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159578 + ... + 159735.

It is an arithmetic number, because the mean of its divisors is an integer number (6386280).

Almost surely, 2^25225727 is an apocalyptic number.

25225727 is a deficient number, since it is larger than the sum of its proper divisors (319393).

25225727 is an equidigital number, since it uses as much as digits as its factorization.

25225727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319392.

The product of its digits is 19600, while the sum is 32.

The square root of 25225727 is about 5022.5219760594. The cubic root of 25225727 is about 293.2791780477.

Adding to 25225727 its reverse (72752252), we get a palindrome (97977979).

It can be divided in two parts, 25225 and 727, that added together give a palindrome (25952).

The spelling of 25225727 in words is "twenty-five million, two hundred twenty-five thousand, seven hundred twenty-seven".