275427 has 12 divisors (see below), whose sum is σ = 412120. Its totient is φ = 181800.

The previous prime is 275423. The next prime is 275447. The reversal of 275427 is 724572.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is not a de Polignac number, because 275427 - 2² = 275423 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2³ + 7³ + 4⁸ + 5⁷ + 2¹⁷ + 7³ .

It is a Duffinian number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 275427.

It is not an unprimeable number, because it can be changed into a prime (275423) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2677 + ... + 2777.

2²⁷⁵⁴²⁷ is an apocalyptic number.

275427 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

275427 is a deficient number, since it is larger than the sum of its proper divisors (136693).

275427 is an equidigital number, since it uses as much as digits as its factorization.

275427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 104 counting only the distinct ones).

The product of its digits is 3920, while the sum is 27.

The square root of 275427 is about 524.8113946934. The cubic root of 275427 is about 65.0632126673.

Multiplying 275427 by its sum of digits (27), we get a square (7436529 = 2727²).

275427 divided by its sum of digits (27) gives a palindrome (10201).

Adding to 275427 its reverse (724572), we get a palindrome (999999).

The spelling of 275427 in words is "two hundred seventy-five thousand, four hundred twenty-seven".