42273311 has 4 divisors (see below), whose sum is σ = 42782712. Its totient is φ = 41763912.

The previous prime is 42273293. The next prime is 42273313. The reversal of 42273311 is 11337224.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42273311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273313) 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 3 ways as a sum of consecutive naturals, for example, 254576 + ... + 254741.

It is an arithmetic number, because the mean of its divisors is an integer number (10695678).

Almost surely, 2^42273311 is an apocalyptic number.

42273311 is a deficient number, since it is larger than the sum of its proper divisors (509401).

42273311 is an equidigital number, since it uses as much as digits as its factorization.

42273311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509400.

The product of its digits is 1008, while the sum is 23.

The square root of 42273311 is about 6501.7929065758. The cubic root of 42273311 is about 348.3550319325.

The spelling of 42273311 in words is "forty-two million, two hundred seventy-three thousand, three hundred eleven".