42316577 has 2 divisors, whose sum is σ = 42316578. Its totient is φ = 42316576.

The previous prime is 42316543. The next prime is 42316583. The reversal of 42316577 is 77561324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34939921 + 7376656 = 5911^2 + 2716^2 .

It is a cyclic number.

It is not a de Polignac number, because 42316577 - 2⁶ = 42316513 is a prime.

It is a Chen prime.

It is equal to p_2565773 and since 42316577 and 2565773 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (42316507) 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, 21158288 + 21158289.

It is an arithmetic number, because the mean of its divisors is an integer number (21158289).

Almost surely, 2^42316577 is an apocalyptic number.

It is an amenable number.

42316577 is a deficient number, since it is larger than the sum of its proper divisors (1).

42316577 is an equidigital number, since it uses as much as digits as its factorization.

42316577 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 35280, while the sum is 35.

The square root of 42316577 is about 6505.1192917578. The cubic root of 42316577 is about 348.4738365197.

The spelling of 42316577 in words is "forty-two million, three hundred sixteen thousand, five hundred seventy-seven".