25633950 has 48 divisors (see below), whose sum is σ = 64470576. Its totient is φ = 6739200.

The previous prime is 25633939. The next prime is 25633957. The reversal of 25633950 is 5933652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25633957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9780 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (1343137).

Almost surely, 2^25633950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25633950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32235288).

25633950 is an abundant number, since it is smaller than the sum of its proper divisors (38836626).

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

25633950 is a wasteful number, since it uses less digits than its factorization.

25633950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429 (or 2424 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 25633950 is about 5062.9981236418. The cubic root of 25633950 is about 294.8527465795.

The spelling of 25633950 in words is "twenty-five million, six hundred thirty-three thousand, nine hundred fifty".