25195950 has 144 divisors (see below), whose sum is σ = 75151440. Its totient is φ = 6013440.

The previous prime is 25195943. The next prime is 25195967. The reversal of 25195950 is 5959152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 345114 + ... + 345186.

It is an arithmetic number, because the mean of its divisors is an integer number (521885).

Almost surely, 2^25195950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25195950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37575720).

25195950 is an abundant number, since it is smaller than the sum of its proper divisors (49955490).

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

25195950 is a wasteful number, since it uses less digits than its factorization.

25195950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 36.

The square root of 25195950 is about 5019.5567533399. The cubic root of 25195950 is about 293.1637348927.

The spelling of 25195950 in words is "twenty-five million, one hundred ninety-five thousand, nine hundred fifty".