25004120 has 16 divisors (see below), whose sum is σ = 56259360. Its totient is φ = 10001632.

The previous prime is 25004117. The next prime is 25004129. The reversal of 25004120 is 2140052.

It is a junction number, because it is equal to n+sod(n) for n = 25004095 and 25004104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25004129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312512 + ... + 312591.

It is an arithmetic number, because the mean of its divisors is an integer number (3516210).

Almost surely, 2^25004120 is an apocalyptic number.

25004120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25004120 is an abundant number, since it is smaller than the sum of its proper divisors (31255240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25004120 is a wasteful number, since it uses less digits than its factorization.

25004120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625114 (or 625110 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 25004120 is about 5000.4119830270. The cubic root of 25004120 is about 292.4178355431.

Adding to 25004120 its reverse (2140052), we get a palindrome (27144172).

The spelling of 25004120 in words is "twenty-five million, four thousand, one hundred twenty".