25051425 has 24 divisors (see below), whose sum is σ = 47336256. Its totient is φ = 11451840.

The previous prime is 25051417. The next prime is 25051469. The reversal of 25051425 is 52415052.

It is a happy number.

It is not a de Polignac number, because 25051425 - 2³ = 25051417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25051395 and 25051404.

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 23 ways as a sum of consecutive naturals, for example, 23334 + ... + 24383.

It is an arithmetic number, because the mean of its divisors is an integer number (1972344).

Almost surely, 2^25051425 is an apocalyptic number.

25051425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25051425 is a deficient number, since it is larger than the sum of its proper divisors (22284831).

25051425 is a wasteful number, since it uses less digits than its factorization.

25051425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47737 (or 47732 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 25051425 is about 5005.1398581858. The cubic root of 25051425 is about 292.6021266583.

Adding to 25051425 its reverse (52415052), we get a palindrome (77466477).

The spelling of 25051425 in words is "twenty-five million, fifty-one thousand, four hundred twenty-five".