25343225 has 6 divisors (see below), whose sum is σ = 31425630. Its totient is φ = 20274560.

The previous prime is 25343221. The next prime is 25343233. The reversal of 25343225 is 52234352.

It can be written as a sum of positive squares in 3 ways, for example, as 22201 + 25321024 = 149^2 + 5032^2 .

It is not a de Polignac number, because 25343225 - 2² = 25343221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25343194 and 25343203.

It is not an unprimeable number, because it can be changed into a prime (25343221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506840 + ... + 506889.

It is an arithmetic number, because the mean of its divisors is an integer number (5237605).

Almost surely, 2^25343225 is an apocalyptic number.

25343225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25343225 is a deficient number, since it is larger than the sum of its proper divisors (6082405).

25343225 is a wasteful number, since it uses less digits than its factorization.

25343225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013739 (or 1013734 counting only the distinct ones).

The product of its digits is 7200, while the sum is 26.

The square root of 25343225 is about 5034.2054983880. The cubic root of 25343225 is about 293.7338243696.

Adding to 25343225 its reverse (52234352), we get a palindrome (77577577).

The spelling of 25343225 in words is "twenty-five million, three hundred forty-three thousand, two hundred twenty-five".