42127433 has 2 divisors, whose sum is σ = 42127434. Its totient is φ = 42127432.

The previous prime is 42127381. The next prime is 42127439. The reversal of 42127433 is 33472124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29073664 + 13053769 = 5392^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 42127433 - 2⁸ = 42127177 is a prime.

It is a super-2 number, since 2×42127433² = 3549441222338978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42127439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21063716 + 21063717.

It is an arithmetic number, because the mean of its divisors is an integer number (21063717).

Almost surely, 2^42127433 is an apocalyptic number.

It is an amenable number.

42127433 is a deficient number, since it is larger than the sum of its proper divisors (1).

42127433 is an equidigital number, since it uses as much as digits as its factorization.

42127433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 42127433 is about 6490.5649214841. The cubic root of 42127433 is about 347.9538654877.

Adding to 42127433 its reverse (33472124), we get a palindrome (75599557).

The spelling of 42127433 in words is "forty-two million, one hundred twenty-seven thousand, four hundred thirty-three".