42265163 has 2 divisors, whose sum is σ = 42265164. Its totient is φ = 42265162.

The previous prime is 42265147. The next prime is 42265207. The reversal of 42265163 is 36156224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42265163 - 2⁴ = 42265147 is a prime.

It is not a weakly prime, because it can be changed into another prime (42265103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21132581 + 21132582.

It is an arithmetic number, because the mean of its divisors is an integer number (21132582).

Almost surely, 2^42265163 is an apocalyptic number.

42265163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42265163 is an equidigital number, since it uses as much as digits as its factorization.

42265163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 29.

The square root of 42265163 is about 6501.1662799839. The cubic root of 42265163 is about 348.3326491800.

The spelling of 42265163 in words is "forty-two million, two hundred sixty-five thousand, one hundred sixty-three".