42812283 has 4 divisors (see below), whose sum is σ = 57083048. Its totient is φ = 28541520.

The previous prime is 42812279. The next prime is 42812299. The reversal of 42812283 is 38221824.

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

It is not a de Polignac number, because 42812283 - 2² = 42812279 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42812283.

It is not an unprimeable number, because it can be changed into a prime (42812213) 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, 7135378 + ... + 7135383.

It is an arithmetic number, because the mean of its divisors is an integer number (14270762).

Almost surely, 2^42812283 is an apocalyptic number.

42812283 is a deficient number, since it is larger than the sum of its proper divisors (14270765).

42812283 is a wasteful number, since it uses less digits than its factorization.

42812283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270764.

The product of its digits is 6144, while the sum is 30.

The square root of 42812283 is about 6543.1095818426. The cubic root of 42812283 is about 349.8292582166.

The spelling of 42812283 in words is "forty-two million, eight hundred twelve thousand, two hundred eighty-three".