42302471 has 2 divisors, whose sum is σ = 42302472. Its totient is φ = 42302470.

The previous prime is 42302467. The next prime is 42302473. The reversal of 42302471 is 17420324.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42302471 - 2² = 42302467 is a prime.

It is a super-3 number, since 3×42302471³ (a number of 24 digits) contains 333 as substring.

Together with 42302473, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42302473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21151235 + 21151236.

It is an arithmetic number, because the mean of its divisors is an integer number (21151236).

Almost surely, 2^42302471 is an apocalyptic number.

42302471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42302471 is an equidigital number, since it uses as much as digits as its factorization.

42302471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 42302471 is about 6504.0349783807. The cubic root of 42302471 is about 348.4351115993.

Adding to 42302471 its reverse (17420324), we get a palindrome (59722795).

The spelling of 42302471 in words is "forty-two million, three hundred two thousand, four hundred seventy-one".