42664301 has 2 divisors, whose sum is σ = 42664302. Its totient is φ = 42664300.

The previous prime is 42664289. The next prime is 42664309. The reversal of 42664301 is 10346624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42588676 + 75625 = 6526^2 + 275^2 .

It is a cyclic number.

It is not a de Polignac number, because 42664301 - 2¹⁰ = 42663277 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42664309) 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, 21332150 + 21332151.

It is an arithmetic number, because the mean of its divisors is an integer number (21332151).

Almost surely, 2^42664301 is an apocalyptic number.

It is an amenable number.

42664301 is a deficient number, since it is larger than the sum of its proper divisors (1).

42664301 is an equidigital number, since it uses as much as digits as its factorization.

42664301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 42664301 is about 6531.7915612793. The cubic root of 42664301 is about 349.4257276496.

The spelling of 42664301 in words is "forty-two million, six hundred sixty-four thousand, three hundred one".