42454471 has 2 divisors, whose sum is σ = 42454472. Its totient is φ = 42454470.

The previous prime is 42454427. The next prime is 42454507. The reversal of 42454471 is 17445424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42454471 - 2¹³ = 42446279 is a prime.

It is a super-3 number, since 3×42454471³ (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 (42454411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21227235 + 21227236.

It is an arithmetic number, because the mean of its divisors is an integer number (21227236).

Almost surely, 2^42454471 is an apocalyptic number.

42454471 is a deficient number, since it is larger than the sum of its proper divisors (1).

42454471 is an equidigital number, since it uses as much as digits as its factorization.

42454471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17920, while the sum is 31.

The square root of 42454471 is about 6515.7095546072. The cubic root of 42454471 is about 348.8519416964.

Adding to 42454471 its reverse (17445424), we get a palindrome (59899895).

The spelling of 42454471 in words is "forty-two million, four hundred fifty-four thousand, four hundred seventy-one".