25567312 has 40 divisors (see below), whose sum is σ = 53845760. Its totient is φ = 11715840.

The previous prime is 25567291. The next prime is 25567349. The reversal of 25567312 is 21376552.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 8068 + ... + 10780.

It is an arithmetic number, because the mean of its divisors is an integer number (1346144).

Almost surely, 2^25567312 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 25567312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26922880).

25567312 is an abundant number, since it is smaller than the sum of its proper divisors (28278448).

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

25567312 is a wasteful number, since it uses less digits than its factorization.

25567312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771 (or 2765 counting only the distinct ones).

The product of its digits is 12600, while the sum is 31.

The square root of 25567312 is about 5056.4129578190. The cubic root of 25567312 is about 294.5970251899.

The spelling of 25567312 in words is "twenty-five million, five hundred sixty-seven thousand, three hundred twelve".