270243 has 8 divisors (see below), whose sum is σ = 400400. Its totient is φ = 180144.

The previous prime is 270241. The next prime is 270269. The reversal of 270243 is 342072.

It is a happy number.

It is not a de Polignac number, because 270243 - 2¹ = 270241 is a prime.

It is a Duffinian number.

270243 is a modest number, since divided by 243 gives 27 as remainder.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 270243.

It is not an unprimeable number, because it can be changed into a prime (270241) 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, 4978 + ... + 5031.

It is an arithmetic number, because the mean of its divisors is an integer number (50050).

2²⁷⁰²⁴³ is an apocalyptic number.

270243 is a deficient number, since it is larger than the sum of its proper divisors (130157).

270243 is a wasteful number, since it uses less digits than its factorization.

270243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10018 (or 10012 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 270243 is about 519.8490165423. The cubic root of 270243 is about 64.6524247991.

The spelling of 270243 in words is "two hundred seventy thousand, two hundred forty-three", and thus it is an iban number.