25887312 has 120 divisors (see below), whose sum is σ = 80664480. Its totient is φ = 7683840.

The previous prime is 25887293. The next prime is 25887317. The reversal of 25887312 is 21378852.

25887312 is a `hidden beast` number, since 2 + 588 + 73 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25887317) 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, 93318 + ... + 93594.

It is an arithmetic number, because the mean of its divisors is an integer number (672204).

Almost surely, 2^25887312 is an apocalyptic number.

25887312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25887312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40332240).

25887312 is an abundant number, since it is smaller than the sum of its proper divisors (54777168).

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

25887312 is a wasteful number, since it uses less digits than its factorization.

25887312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 352 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 25887312 is about 5087.9575469927. The cubic root of 25887312 is about 295.8209898881.

The spelling of 25887312 in words is "twenty-five million, eight hundred eighty-seven thousand, three hundred twelve".