4273291 has 4 divisors (see below), whose sum is σ = 4661784. Its totient is φ = 3884800.

The previous prime is 4273289. The next prime is 4273301. The reversal of 4273291 is 1923724.

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

It is a cyclic number.

It is not a de Polignac number, because 4273291 - 2¹ = 4273289 is a prime.

It is a super-2 number, since 2×4273291² = 36522031941362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4273261) 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, 194230 + ... + 194251.

It is an arithmetic number, because the mean of its divisors is an integer number (1165446).

Almost surely, 2^4273291 is an apocalyptic number.

4273291 is a deficient number, since it is larger than the sum of its proper divisors (388493).

4273291 is a wasteful number, since it uses less digits than its factorization.

4273291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388492.

The product of its digits is 3024, while the sum is 28.

The square root of 4273291 is about 2067.1939918643. The cubic root of 4273291 is about 162.2759484236.

The spelling of 4273291 in words is "four million, two hundred seventy-three thousand, two hundred ninety-one".