42418153 has 2 divisors, whose sum is σ = 42418154. Its totient is φ = 42418152.

The previous prime is 42418147. The next prime is 42418157. The reversal of 42418153 is 35181424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22014864 + 20403289 = 4692^2 + 4517^2 .

It is a cyclic number.

It is not a de Polignac number, because 42418153 - 2⁵ = 42418121 is a prime.

It is not a weakly prime, because it can be changed into another prime (42418157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21209076 + 21209077.

It is an arithmetic number, because the mean of its divisors is an integer number (21209077).

Almost surely, 2^42418153 is an apocalyptic number.

It is an amenable number.

42418153 is a deficient number, since it is larger than the sum of its proper divisors (1).

42418153 is an equidigital number, since it uses as much as digits as its factorization.

42418153 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 28.

The square root of 42418153 is about 6512.9220016825. The cubic root of 42418153 is about 348.7524373018.

Adding to 42418153 its reverse (35181424), we get a palindrome (77599577).

The spelling of 42418153 in words is "forty-two million, four hundred eighteen thousand, one hundred fifty-three".