275225500 has 96 divisors (see below), whose sum is σ = 661909248. Its totient is φ = 99144000.

The previous prime is 275225491. The next prime is 275225537. The reversal of 275225500 is 5522572.

275225500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896347 + ... + 896653.

It is an arithmetic number, because the mean of its divisors is an integer number (6894888).

Almost surely, 2^275225500 is an apocalyptic number.

275225500 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 275225500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (330954624).

275225500 is an abundant number, since it is smaller than the sum of its proper divisors (386683748).

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

275225500 is a wasteful number, since it uses less digits than its factorization.

275225500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 275225500 is about 16589.9216393568. The cubic root of 275225500 is about 650.4734223612.

The spelling of 275225500 in words is "two hundred seventy-five million, two hundred twenty-five thousand, five hundred".