25000404 has 96 divisors (see below), whose sum is σ = 72648576. Its totient is φ = 6574080.

The previous prime is 25000373. The next prime is 25000411. The reversal of 25000404 is 40400052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28744 + ... + 29600.

It is an arithmetic number, because the mean of its divisors is an integer number (756756).

Almost surely, 2^25000404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25000404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36324288).

25000404 is an abundant number, since it is smaller than the sum of its proper divisors (47648172).

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

25000404 is a wasteful number, since it uses less digits than its factorization.

25000404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 903 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 25000404 is about 5000.0403998368. The cubic root of 25000404 is about 292.4033488837.

Adding to 25000404 its reverse (40400052), we get a palindrome (65400456).

The spelling of 25000404 in words is "twenty-five million, four hundred four", and thus it is an aban number.