42811283 has 4 divisors (see below), whose sum is σ = 42826920. Its totient is φ = 42795648.

The previous prime is 42811277. The next prime is 42811393. The reversal of 42811283 is 38211824.

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-42811283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42811213) 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, 2510 + ... + 9587.

It is an arithmetic number, because the mean of its divisors is an integer number (10706730).

Almost surely, 2^42811283 is an apocalyptic number.

42811283 is a deficient number, since it is larger than the sum of its proper divisors (15637).

42811283 is a wasteful number, since it uses less digits than its factorization.

42811283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15636.

The product of its digits is 3072, while the sum is 29.

The square root of 42811283 is about 6543.0331651307. The cubic root of 42811283 is about 349.8265344501.

It can be divided in two parts, 428 and 11283, that added together give a palindrome (11711).

The spelling of 42811283 in words is "forty-two million, eight hundred eleven thousand, two hundred eighty-three".