25378752 has 112 divisors (see below), whose sum is σ = 80174592. Its totient is φ = 6927360.

The previous prime is 25378747. The next prime is 25378753. The reversal of 25378752 is 25787352.

It is a tau number, because it is divible by the number of its divisors (112).

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 25378752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25378753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30502 + ... + 31322.

Almost surely, 2^25378752 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 25378752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40087296).

25378752 is an abundant number, since it is smaller than the sum of its proper divisors (54795840).

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

25378752 is a wasteful number, since it uses less digits than its factorization.

25378752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866 (or 856 counting only the distinct ones).

The product of its digits is 117600, while the sum is 39.

The square root of 25378752 is about 5037.7328234038. The cubic root of 25378752 is about 293.8710156584.

The spelling of 25378752 in words is "twenty-five million, three hundred seventy-eight thousand, seven hundred fifty-two".