273249445 has 8 divisors (see below), whose sum is σ = 374742144. Its totient is φ = 187371024.

The previous prime is 273249443. The next prime is 273249497. The reversal of 273249445 is 544942372.

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 273249445 - 2¹ = 273249443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 273249398 and 273249407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (273249443) 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, 3903529 + ... + 3903598.

It is an arithmetic number, because the mean of its divisors is an integer number (46842768).

Almost surely, 2^273249445 is an apocalyptic number.

It is an amenable number.

273249445 is a deficient number, since it is larger than the sum of its proper divisors (101492699).

273249445 is an equidigital number, since it uses as much as digits as its factorization.

273249445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7807139.

The product of its digits is 241920, while the sum is 40.

The square root of 273249445 is about 16530.2584674288. The cubic root of 273249445 is about 648.9129324962.

The spelling of 273249445 in words is "two hundred seventy-three million, two hundred forty-nine thousand, four hundred forty-five".