25416378 has 48 divisors (see below), whose sum is σ = 60592896. Its totient is φ = 7650720.

The previous prime is 25416371. The next prime is 25416379. The reversal of 25416378 is 87361452.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25416371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9843 + ... + 12153.

It is an arithmetic number, because the mean of its divisors is an integer number (1262352).

Almost surely, 2^25416378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25416378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30296448).

25416378 is an abundant number, since it is smaller than the sum of its proper divisors (35176518).

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

25416378 is a wasteful number, since it uses less digits than its factorization.

25416378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379 (or 2376 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 25416378 is about 5041.4658582599. The cubic root of 25416378 is about 294.0161729268.

The spelling of 25416378 in words is "twenty-five million, four hundred sixteen thousand, three hundred seventy-eight".