25354425 has 24 divisors (see below), whose sum is σ = 42434784. Its totient is φ = 13356160.

The previous prime is 25354421. The next prime is 25354447. The reversal of 25354425 is 52445352.

It is not a de Polignac number, because 25354425 - 2² = 25354421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25354392 and 25354401.

It is not an unprimeable number, because it can be changed into a prime (25354421) by changing a digit.

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, 4189 + ... + 8261.

It is an arithmetic number, because the mean of its divisors is an integer number (1768116).

Almost surely, 2^25354425 is an apocalyptic number.

25354425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25354425 is a deficient number, since it is larger than the sum of its proper divisors (17080359).

25354425 is a wasteful number, since it uses less digits than its factorization.

25354425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4169 (or 4164 counting only the distinct ones).

The product of its digits is 24000, while the sum is 30.

The square root of 25354425 is about 5035.3177655437. The cubic root of 25354425 is about 293.7770881916. Note that the first 3 decimals are identical.

Adding to 25354425 its reverse (52445352), we get a palindrome (77799777).

The spelling of 25354425 in words is "twenty-five million, three hundred fifty-four thousand, four hundred twenty-five".