25260160 has 64 divisors (see below), whose sum is σ = 62515800. Its totient is φ = 9748480.

The previous prime is 25260127. The next prime is 25260163. The reversal of 25260160 is 6106252.

It can be written as a sum of positive squares in 4 ways, for example, as 16451136 + 8809024 = 4056^2 + 2968^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (25260163) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17880 + ... + 19240.

Almost surely, 2^25260160 is an apocalyptic number.

25260160 is a gapful number since it is divisible by the number (20) 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 25260160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31257900).

25260160 is an abundant number, since it is smaller than the sum of its proper divisors (37255640).

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

25260160 is a wasteful number, since it uses less digits than its factorization.

25260160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1409 (or 1397 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 25260160 is about 5025.9486666698. The cubic root of 25260160 is about 293.4125589492.

The spelling of 25260160 in words is "twenty-five million, two hundred sixty thousand, one hundred sixty".