275201125 has 16 divisors (see below), whose sum is σ = 347007024. Its totient is φ = 217881600.

The previous prime is 275201123. The next prime is 275201159. The reversal of 275201125 is 521102572.

It can be written as a sum of positive squares in 8 ways, for example, as 194937444 + 80263681 = 13962^2 + 8959^2 .

It is not a de Polignac number, because 275201125 - 2¹ = 275201123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 275201125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275201123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 777 + ... + 23473.

It is an arithmetic number, because the mean of its divisors is an integer number (21687939).

Almost surely, 2^275201125 is an apocalyptic number.

275201125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275201125 is a deficient number, since it is larger than the sum of its proper divisors (71805899).

275201125 is an equidigital number, since it uses as much as digits as its factorization.

275201125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22809 (or 22799 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 275201125 is about 16589.1869903260. The cubic root of 275201125 is about 650.4542190077.

Adding to 275201125 its reverse (521102572), we get a palindrome (796303697).

The spelling of 275201125 in words is "two hundred seventy-five million, two hundred one thousand, one hundred twenty-five".