42363553 has 2 divisors, whose sum is σ = 42363554. Its totient is φ = 42363552.

The previous prime is 42363511. The next prime is 42363569. The reversal of 42363553 is 35536324.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41835024 + 528529 = 6468^2 + 727^2 .

It is a cyclic number.

It is not a de Polignac number, because 42363553 - 2¹⁷ = 42232481 is a prime.

It is not a weakly prime, because it can be changed into another prime (42363053) 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, 21181776 + 21181777.

It is an arithmetic number, because the mean of its divisors is an integer number (21181777).

Almost surely, 2^42363553 is an apocalyptic number.

It is an amenable number.

42363553 is a deficient number, since it is larger than the sum of its proper divisors (1).

42363553 is an equidigital number, since it uses as much as digits as its factorization.

42363553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 31.

The square root of 42363553 is about 6508.7289849862. The cubic root of 42363553 is about 348.6027367788.

Adding to 42363553 its reverse (35536324), we get a palindrome (77899877).

The spelling of 42363553 in words is "forty-two million, three hundred sixty-three thousand, five hundred fifty-three".