42285163 has 2 divisors, whose sum is σ = 42285164. Its totient is φ = 42285162.

The previous prime is 42285143. The next prime is 42285167. The reversal of 42285163 is 36158224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42285163 is a prime.

It is not a weakly prime, because it can be changed into another prime (42285167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21142581 + 21142582.

It is an arithmetic number, because the mean of its divisors is an integer number (21142582).

Almost surely, 2^42285163 is an apocalyptic number.

42285163 is a deficient number, since it is larger than the sum of its proper divisors (1).

42285163 is an equidigital number, since it uses as much as digits as its factorization.

42285163 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 31.

The square root of 42285163 is about 6502.7042836039. The cubic root of 42285163 is about 348.3875845286.

The spelling of 42285163 in words is "forty-two million, two hundred eighty-five thousand, one hundred sixty-three".