25610430225 has 24 divisors (see below), whose sum is σ = 42370105600. Its totient is φ = 13650016320.

The previous prime is 25610430221. The next prime is 25610430229. The reversal of 25610430225 is 52203401652.

It is an interprime number because it is at equal distance from previous prime (25610430221) and next prime (25610430229).

It is not a de Polignac number, because 25610430225 - 2² = 25610430221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25610430192 and 25610430201.

It is not an unprimeable number, because it can be changed into a prime (25610430221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5952 + ... + 226398.

Almost surely, 2^25610430225 is an apocalyptic number.

25610430225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25610430225 is a deficient number, since it is larger than the sum of its proper divisors (16759675375).

25610430225 is a wasteful number, since it uses less digits than its factorization.

25610430225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222009 (or 222004 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 25610430225 its reverse (52203401652), we get a palindrome (77813831877).

The spelling of 25610430225 in words is "twenty-five billion, six hundred ten million, four hundred thirty thousand, two hundred twenty-five".