25878496 has 48 divisors (see below), whose sum is σ = 60770304. Its totient is φ = 10606464.

The previous prime is 25878491. The next prime is 25878509. The reversal of 25878496 is 69487852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25878491) 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, 2641 + ... + 7663.

It is an arithmetic number, because the mean of its divisors is an integer number (1266048).

Almost surely, 2^25878496 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 25878496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30385152).

25878496 is an abundant number, since it is smaller than the sum of its proper divisors (34891808).

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

25878496 is a wasteful number, since it uses less digits than its factorization.

25878496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5063 (or 5055 counting only the distinct ones).

The product of its digits is 967680, while the sum is 49.

The square root of 25878496 is about 5087.0911137899. The cubic root of 25878496 is about 295.7874051736.

The spelling of 25878496 in words is "twenty-five million, eight hundred seventy-eight thousand, four hundred ninety-six".