275225521 has 8 divisors (see below), whose sum is σ = 287421120. Its totient is φ = 263049072.

The previous prime is 275225491. The next prime is 275225537. The reversal of 275225521 is 125522572.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 275225521 - 2¹⁹ = 274701233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (275225551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30075 + ... + 38143.

It is an arithmetic number, because the mean of its divisors is an integer number (35927640).

Almost surely, 2^275225521 is an apocalyptic number.

It is an amenable number.

275225521 is a deficient number, since it is larger than the sum of its proper divisors (12195599).

275225521 is a wasteful number, since it uses less digits than its factorization.

275225521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9575.

The product of its digits is 14000, while the sum is 31.

The square root of 275225521 is about 16589.9222722712. The cubic root of 275225521 is about 650.4734389052.

The spelling of 275225521 in words is "two hundred seventy-five million, two hundred twenty-five thousand, five hundred twenty-one".