25152768 has 90 divisors (see below), whose sum is σ = 75062834. Its totient is φ = 8377344.

The previous prime is 25152767. The next prime is 25152791. The reversal of 25152768 is 86725152.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 15116544 + 10036224 = 3888^2 + 3168^2 .

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

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25152767) by changing a digit.

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 9 ways as a sum of consecutive naturals, for example, 20130 + ... + 21342.

Almost surely, 2^25152768 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 25152768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37531417).

25152768 is an abundant number, since it is smaller than the sum of its proper divisors (49910066).

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

25152768 is an equidigital number, since it uses as much as digits as its factorization.

25152768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241 (or 1218 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 25152768 is about 5015.2535329732. The cubic root of 25152768 is about 292.9961598739.

The spelling of 25152768 in words is "twenty-five million, one hundred fifty-two thousand, seven hundred sixty-eight".