25725024 has 72 divisors (see below), whose sum is σ = 78794352. Its totient is φ = 7914240.

The previous prime is 25725019. The next prime is 25725043. The reversal of 25725024 is 42052752.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309 + ... + 7179.

It is an arithmetic number, because the mean of its divisors is an integer number (1094366).

Almost surely, 2^25725024 is an apocalyptic number.

25725024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25725024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39397176).

25725024 is an abundant number, since it is smaller than the sum of its proper divisors (53069328).

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

25725024 is a wasteful number, since it uses less digits than its factorization.

25725024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6900 (or 6889 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 25725024 is about 5071.9842271048. The cubic root of 25725024 is about 295.2015246578.

Adding to 25725024 its reverse (42052752), we get a palindrome (67777776).

It can be divided in two parts, 257 and 25024, that added together give a square (25281 = 159²).

The spelling of 25725024 in words is "twenty-five million, seven hundred twenty-five thousand, twenty-four".