25054432 has 48 divisors (see below), whose sum is σ = 53555040. Its totient is φ = 11469312.

The previous prime is 25054427. The next prime is 25054459. The reversal of 25054432 is 23445052.

It is a junction number, because it is equal to n+sod(n) for n = 25054397 and 25054406.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 95133 + ... + 95395.

It is an arithmetic number, because the mean of its divisors is an integer number (1115730).

Almost surely, 2^25054432 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 25054432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26777520).

25054432 is an abundant number, since it is smaller than the sum of its proper divisors (28500608).

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

25054432 is a wasteful number, since it uses less digits than its factorization.

25054432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 25054432 is about 5005.4402403785. The cubic root of 25054432 is about 292.6138335026.

Adding to 25054432 its reverse (23445052), we get a palindrome (48499484).

The spelling of 25054432 in words is "twenty-five million, fifty-four thousand, four hundred thirty-two".