273203045 has 4 divisors (see below), whose sum is σ = 327843660. Its totient is φ = 218562432.

The previous prime is 273203023. The next prime is 273203059. The reversal of 273203045 is 540302372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 122257249 + 150945796 = 11057^2 + 12286^2 .

It is a cyclic number.

It is not a de Polignac number, because 273203045 - 2⁸ = 273202789 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27320300 + ... + 27320309.

It is an arithmetic number, because the mean of its divisors is an integer number (81960915).

Almost surely, 2^273203045 is an apocalyptic number.

It is an amenable number.

273203045 is a deficient number, since it is larger than the sum of its proper divisors (54640615).

273203045 is an equidigital number, since it uses as much as digits as its factorization.

273203045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54640614.

The product of its (nonzero) digits is 5040, while the sum is 26.

The square root of 273203045 is about 16528.8549210162. The cubic root of 273203045 is about 648.8762001684.

The spelling of 273203045 in words is "two hundred seventy-three million, two hundred three thousand, forty-five".