25725012 has 48 divisors (see below), whose sum is σ = 66911040. Its totient is φ = 7644672.

The previous prime is 25724977. The next prime is 25725013. The reversal of 25725012 is 21052752.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25725013) 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, 558 + ... + 7194.

It is an arithmetic number, because the mean of its divisors is an integer number (1393980).

Almost surely, 2^25725012 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 25725012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33455520).

25725012 is an abundant number, since it is smaller than the sum of its proper divisors (41186028).

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

25725012 is a wasteful number, since it uses less digits than its factorization.

25725012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6680 (or 6678 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 24.

The square root of 25725012 is about 5071.9830441357. The cubic root of 25725012 is about 295.2014787567.

Adding to 25725012 its reverse (21052752), we get a palindrome (46777764).

The spelling of 25725012 in words is "twenty-five million, seven hundred twenty-five thousand, twelve".