42873433 has 2 divisors, whose sum is σ = 42873434. Its totient is φ = 42873432.

The previous prime is 42873431. The next prime is 42873463. The reversal of 42873433 is 33437824.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40602384 + 2271049 = 6372^2 + 1507^2 .

It is a cyclic number.

It is not a de Polignac number, because 42873433 - 2¹ = 42873431 is a prime.

Together with 42873431, it forms a pair of twin primes.

It is a plaindrome in base 11.

It is not a weakly prime, because it can be changed into another prime (42873431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21436716 + 21436717.

It is an arithmetic number, because the mean of its divisors is an integer number (21436717).

Almost surely, 2^42873433 is an apocalyptic number.

It is an amenable number.

42873433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42873433 is an equidigital number, since it uses as much as digits as its factorization.

42873433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48384, while the sum is 34.

The square root of 42873433 is about 6547.7807690850. The cubic root of 42873433 is about 349.9957360025.

The spelling of 42873433 in words is "forty-two million, eight hundred seventy-three thousand, four hundred thirty-three".