42401063 has 2 divisors, whose sum is σ = 42401064. Its totient is φ = 42401062.

The previous prime is 42401059. The next prime is 42401069. The reversal of 42401063 is 36010424.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42401063 - 2² = 42401059 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42401069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21200531 + 21200532.

It is an arithmetic number, because the mean of its divisors is an integer number (21200532).

Almost surely, 2^42401063 is an apocalyptic number.

42401063 is a deficient number, since it is larger than the sum of its proper divisors (1).

42401063 is an equidigital number, since it uses as much as digits as its factorization.

42401063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42401063 is about 6511.6098623919. The cubic root of 42401063 is about 348.7055943085.

Adding to 42401063 its reverse (36010424), we get a palindrome (78411487).

The spelling of 42401063 in words is "forty-two million, four hundred one thousand, sixty-three".