245273 has 8 divisors (see below), whose sum is σ = 288192. Its totient is φ = 204336.

The previous prime is 245269. The next prime is 245279. The reversal of 245273 is 372542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245273 - 2² = 245269 is a prime.

It is a d-powerful number, because it can be written as 2 + 4⁷ + 2¹⁷ + 5⁷ + 7 + 3⁹ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (245279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (36024).

2²⁴⁵²⁷³ is an apocalyptic number.

It is an amenable number.

245273 is a deficient number, since it is larger than the sum of its proper divisors (42919).

245273 is an equidigital number, since it uses as much as digits as its factorization.

245273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 1680, while the sum is 23.

The square root of 245273 is about 495.2504416959. The cubic root of 245273 is about 62.5964803215.

The spelling of 245273 in words is "two hundred forty-five thousand, two hundred seventy-three".