25487250 has 64 divisors (see below), whose sum is σ = 67392000. Its totient is φ = 6393600.

The previous prime is 25487237. The next prime is 25487251. The reversal of 25487250 is 5278452.

It is not an unprimeable number, because it can be changed into a prime (25487251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11751 + ... + 13749.

It is an arithmetic number, because the mean of its divisors is an integer number (1053000).

Almost surely, 2^25487250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25487250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33696000).

25487250 is an abundant number, since it is smaller than the sum of its proper divisors (41904750).

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

25487250 is a wasteful number, since it uses less digits than its factorization.

25487250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2036 (or 2026 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 25487250 is about 5048.4898732195. The cubic root of 25487250 is about 294.2892012882.

The spelling of 25487250 in words is "twenty-five million, four hundred eighty-seven thousand, two hundred fifty".