42418853 has 2 divisors, whose sum is σ = 42418854. Its totient is φ = 42418852.

The previous prime is 42418847. The next prime is 42418861. The reversal of 42418853 is 35881424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28751044 + 13667809 = 5362^2 + 3697^2 .

It is a cyclic number.

It is not a de Polignac number, because 42418853 - 2¹⁶ = 42353317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42418823) 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, 21209426 + 21209427.

It is an arithmetic number, because the mean of its divisors is an integer number (21209427).

Almost surely, 2^42418853 is an apocalyptic number.

It is an amenable number.

42418853 is a deficient number, since it is larger than the sum of its proper divisors (1).

42418853 is an equidigital number, since it uses as much as digits as its factorization.

42418853 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30720, while the sum is 35.

The square root of 42418853 is about 6512.9757407809. The cubic root of 42418853 is about 348.7543557050.

The spelling of 42418853 in words is "forty-two million, four hundred eighteen thousand, eight hundred fifty-three".