25305282 has 48 divisors (see below), whose sum is σ = 59498712. Its totient is φ = 7741440.

The previous prime is 25305257. The next prime is 25305307. The reversal of 25305282 is 28250352.

25305282 is a `hidden beast` number, since 2 + 530 + 52 + 82 = 666.

It is an interprime number because it is at equal distance from previous prime (25305257) and next prime (25305307).

It can be written as a sum of positive squares in 4 ways, for example, as 22553001 + 2752281 = 4749^2 + 1659^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11538 + ... + 13554.

Almost surely, 2^25305282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25305282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29749356).

25305282 is an abundant number, since it is smaller than the sum of its proper divisors (34193430).

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

25305282 is a wasteful number, since it uses less digits than its factorization.

25305282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 25305282 is about 5030.4355676224. The cubic root of 25305282 is about 293.5871617780.

The spelling of 25305282 in words is "twenty-five million, three hundred five thousand, two hundred eighty-two".