25316456 has 32 divisors (see below), whose sum is σ = 52894080. Its totient is φ = 11260800.

The previous prime is 25316453. The next prime is 25316461. The reversal of 25316456 is 65461352.

It is not an unprimeable number, because it can be changed into a prime (25316453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1076 + ... + 7196.

It is an arithmetic number, because the mean of its divisors is an integer number (1652940).

Almost surely, 2^25316456 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 25316456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26447040).

25316456 is an abundant number, since it is smaller than the sum of its proper divisors (27577624).

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

25316456 is a wasteful number, since it uses less digits than its factorization.

25316456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6185 (or 6181 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 25316456 is about 5031.5460844556. The cubic root of 25316456 is about 293.6303683071.

Subtracting 25316456 from its reverse (65461352), we obtain a square (40144896 = 6336²).

The spelling of 25316456 in words is "twenty-five million, three hundred sixteen thousand, four hundred fifty-six".