275531725 has 12 divisors (see below), whose sum is σ = 390468064. Its totient is φ = 188935920.

The previous prime is 275531717. The next prime is 275531771. The reversal of 275531725 is 527135572.

It is not a de Polignac number, because 275531725 - 2³ = 275531717 is a prime.

It is a super-3 number, since 3×275531725³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 787059 + ... + 787408.

Almost surely, 2^275531725 is an apocalyptic number.

275531725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

275531725 is a deficient number, since it is larger than the sum of its proper divisors (114936339).

275531725 is a wasteful number, since it uses less digits than its factorization.

275531725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1574484 (or 1574479 counting only the distinct ones).

The product of its digits is 73500, while the sum is 37.

The square root of 275531725 is about 16599.1483215254. The cubic root of 275531725 is about 650.7145790295.

The spelling of 275531725 in words is "two hundred seventy-five million, five hundred thirty-one thousand, seven hundred twenty-five".