25102423425 has 24 divisors (see below), whose sum is σ = 41562820960. Its totient is φ = 13368556800.

The previous prime is 25102423421. The next prime is 25102423429. The reversal of 25102423425 is 52432420152.

It is an interprime number because it is at equal distance from previous prime (25102423421) and next prime (25102423429).

It is not a de Polignac number, because 25102423425 - 2² = 25102423421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25102423392 and 25102423401.

It is not an unprimeable number, because it can be changed into a prime (25102423421) 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, 190360 + ... + 294009.

Almost surely, 2^25102423425 is an apocalyptic number.

25102423425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25102423425 is a deficient number, since it is larger than the sum of its proper divisors (16460397535).

25102423425 is a wasteful number, since it uses less digits than its factorization.

25102423425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485073 (or 485068 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 25102423425 its reverse (52432420152), we get a palindrome (77534843577).

The spelling of 25102423425 in words is "twenty-five billion, one hundred two million, four hundred twenty-three thousand, four hundred twenty-five".