42824471 has 2 divisors, whose sum is σ = 42824472. Its totient is φ = 42824470.

The previous prime is 42824437. The next prime is 42824491. The reversal of 42824471 is 17442824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42824471 - 2⁶ = 42824407 is a prime.

It is a super-3 number, since 3×42824471³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42824491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21412235 + 21412236.

It is an arithmetic number, because the mean of its divisors is an integer number (21412236).

Almost surely, 2^42824471 is an apocalyptic number.

42824471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42824471 is an equidigital number, since it uses as much as digits as its factorization.

42824471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14336, while the sum is 32.

The square root of 42824471 is about 6544.0408770117. The cubic root of 42824471 is about 349.8624520740.

The spelling of 42824471 in words is "forty-two million, eight hundred twenty-four thousand, four hundred seventy-one".