25963416 has 80 divisors (see below), whose sum is σ = 73616400. Its totient is φ = 8548416.

The previous prime is 25963397. The next prime is 25963433. The reversal of 25963416 is 61436952.

It is a happy number.

25963416 is a `hidden beast` number, since 2 + 5 + 9 + 634 + 16 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 66550 + ... + 66938.

It is an arithmetic number, because the mean of its divisors is an integer number (920205).

Almost surely, 2^25963416 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 25963416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36808200).

25963416 is an abundant number, since it is smaller than the sum of its proper divisors (47652984).

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

25963416 is a wasteful number, since it uses less digits than its factorization.

25963416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 497 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 25963416 is about 5095.4308944387. The cubic root of 25963416 is about 296.1105929575.

The spelling of 25963416 in words is "twenty-five million, nine hundred sixty-three thousand, four hundred sixteen".