25132284 has 72 divisors (see below), whose sum is σ = 67092480. Its totient is φ = 7916832.

The previous prime is 25132259. The next prime is 25132291. The reversal of 25132284 is 48223152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105037 + ... + 105275.

It is an arithmetic number, because the mean of its divisors is an integer number (931840).

Almost surely, 2^25132284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25132284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33546240).

25132284 is an abundant number, since it is smaller than the sum of its proper divisors (41960196).

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

25132284 is a wasteful number, since it uses less digits than its factorization.

25132284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 394 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 25132284 is about 5013.2109470877. The cubic root of 25132284 is about 292.9166011905.

The spelling of 25132284 in words is "twenty-five million, one hundred thirty-two thousand, two hundred eighty-four".