25288704 has 168 divisors, whose sum is σ = 85191600. Its totient is φ = 7225344.

The previous prime is 25288691. The next prime is 25288717. The reversal of 25288704 is 40788252.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (25288691) and next prime (25288717).

It is a tau number, because it is divible by the number of its divisors (168).

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

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3612669 + ... + 3612675.

Almost surely, 2^25288704 is an apocalyptic number.

25288704 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 25288704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42595800).

25288704 is an abundant number, since it is smaller than the sum of its proper divisors (59902896).

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

25288704 is an frugal number, since it uses more digits than its factorization.

25288704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 36.

The square root of 25288704 is about 5028.7875278242. The cubic root of 25288704 is about 293.5230361514.

The spelling of 25288704 in words is "twenty-five million, two hundred eighty-eight thousand, seven hundred four".