25802496 has 72 divisors (see below), whose sum is σ = 76322960. Its totient is φ = 8598528.

The previous prime is 25802477. The next prime is 25802503. The reversal of 25802496 is 69420852.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a self number, because there is not a number n which added to its sum of digits gives 25802496.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5046 + ... + 8778.

Almost surely, 2^25802496 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 25802496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38161480).

25802496 is an abundant number, since it is smaller than the sum of its proper divisors (50520464).

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

25802496 is an equidigital number, since it uses as much as digits as its factorization.

25802496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3738 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25802496 is about 5079.6157334980. The cubic root of 25802496 is about 295.4975649777.

The spelling of 25802496 in words is "twenty-five million, eight hundred two thousand, four hundred ninety-six".