42411217 has 2 divisors, whose sum is σ = 42411218. Its totient is φ = 42411216.

The previous prime is 42411199. The next prime is 42411221. The reversal of 42411217 is 71211424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35034561 + 7376656 = 5919^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 42411217 - 2²³ = 34022609 is a prime.

It is a super-2 number, since 2×42411217² = 3597422654842178, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42411247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21205608 + 21205609.

It is an arithmetic number, because the mean of its divisors is an integer number (21205609).

Almost surely, 2^42411217 is an apocalyptic number.

It is an amenable number.

42411217 is a deficient number, since it is larger than the sum of its proper divisors (1).

42411217 is an equidigital number, since it uses as much as digits as its factorization.

42411217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 448, while the sum is 22.

The square root of 42411217 is about 6512.3895000222. The cubic root of 42411217 is about 348.7334275258.

The spelling of 42411217 in words is "forty-two million, four hundred eleven thousand, two hundred seventeen".