266525000 has 96 divisors (see below), whose sum is σ = 714329280. Its totient is φ = 91320000.

The previous prime is 266524991. The next prime is 266525003. The reversal of 266525000 is 525662.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (266525003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 174239 + ... + 175761.

It is an arithmetic number, because the mean of its divisors is an integer number (7440930).

Almost surely, 2^266525000 is an apocalyptic number.

266525000 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 266525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357164640).

266525000 is an abundant number, since it is smaller than the sum of its proper divisors (447804280).

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

266525000 is an equidigital number, since it uses as much as digits as its factorization.

266525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1537 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 266525000 is about 16325.5934042227. The cubic root of 266525000 is about 643.5455881612.

The spelling of 266525000 in words is "two hundred sixty-six million, five hundred twenty-five thousand".