273400241 has 4 divisors (see below), whose sum is σ = 285287232. Its totient is φ = 261513252.

The previous prime is 273400229. The next prime is 273400243. The reversal of 273400241 is 142004372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-273400241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 11886967 = 273400241 / (2 + 7 + 3 + 4 + 0 + 0 + 2 + 4 + 1).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (273400243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5943461 + ... + 5943506.

It is an arithmetic number, because the mean of its divisors is an integer number (71321808).

Almost surely, 2^273400241 is an apocalyptic number.

It is an amenable number.

273400241 is a deficient number, since it is larger than the sum of its proper divisors (11886991).

273400241 is a wasteful number, since it uses less digits than its factorization.

273400241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11886990.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 273400241 is about 16534.8190495088. The cubic root of 273400241 is about 649.0322806856.

The spelling of 273400241 in words is "two hundred seventy-three million, four hundred thousand, two hundred forty-one".