273563345 has 32 divisors (see below), whose sum is σ = 369726336. Its totient is φ = 192614400.

The previous prime is 273563321. The next prime is 273563347. The reversal of 273563345 is 543365372.

It is not a de Polignac number, because 273563345 - 2⁶ = 273563281 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 273563299 and 273563308.

It is not an unprimeable number, because it can be changed into a prime (273563347) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 224177 + ... + 225393.

It is an arithmetic number, because the mean of its divisors is an integer number (11553948).

Almost surely, 2^273563345 is an apocalyptic number.

It is an amenable number.

273563345 is a deficient number, since it is larger than the sum of its proper divisors (96162991).

273563345 is a wasteful number, since it uses less digits than its factorization.

273563345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its digits is 226800, while the sum is 38.

The square root of 273563345 is about 16539.7504515637. The cubic root of 273563345 is about 649.1613207046.

The spelling of 273563345 in words is "two hundred seventy-three million, five hundred sixty-three thousand, three hundred forty-five".