275313125 has 10 divisors (see below), whose sum is σ = 344032062. Its totient is φ = 220250000.

The previous prime is 275313121. The next prime is 275313131. The reversal of 275313125 is 521313572.

It can be written as a sum of positive squares in 5 ways, for example, as 162231169 + 113081956 = 12737^2 + 10634^2 .

It is not a de Polignac number, because 275313125 - 2² = 275313121 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275313121) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 219626 + ... + 220875.

Almost surely, 2^275313125 is an apocalyptic number.

275313125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275313125 is a deficient number, since it is larger than the sum of its proper divisors (68718937).

275313125 is an frugal number, since it uses more digits than its factorization.

275313125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440521 (or 440506 counting only the distinct ones).

The product of its digits is 6300, while the sum is 29.

The square root of 275313125 is about 16592.5623397955. The cubic root of 275313125 is about 650.5424465927.

Adding to 275313125 its reverse (521313572), we get a palindrome (796626697).

The spelling of 275313125 in words is "two hundred seventy-five million, three hundred thirteen thousand, one hundred twenty-five".