25285950 has 72 divisors (see below), whose sum is σ = 68854968. Its totient is φ = 6651840.

The previous prime is 25285943. The next prime is 25285957. The reversal of 25285950 is 5958252.

It is an interprime number because it is at equal distance from previous prime (25285943) and next prime (25285957).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 37012 + ... + 37688.

It is an arithmetic number, because the mean of its divisors is an integer number (956319).

Almost surely, 2^25285950 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25285950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34427484).

25285950 is an abundant number, since it is smaller than the sum of its proper divisors (43569018).

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

25285950 is a wasteful number, since it uses less digits than its factorization.

25285950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 770 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 25285950 is about 5028.5136969089. The cubic root of 25285950 is about 293.5123806457.

The spelling of 25285950 in words is "twenty-five million, two hundred eighty-five thousand, nine hundred fifty".