25490484 has 48 divisors (see below), whose sum is σ = 67883200. Its totient is φ = 8265888.

The previous prime is 25490459. The next prime is 25490489. The reversal of 25490484 is 48409452.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25490489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 807 + ... + 7185.

Almost surely, 2^25490484 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 25490484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33941600).

25490484 is an abundant number, since it is smaller than the sum of its proper divisors (42392716).

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

25490484 is a wasteful number, since it uses less digits than its factorization.

25490484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6421 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 25490484 is about 5048.8101568587. The cubic root of 25490484 is about 294.3016479171.

The spelling of 25490484 in words is "twenty-five million, four hundred ninety thousand, four hundred eighty-four".