42206363 has 2 divisors, whose sum is σ = 42206364. Its totient is φ = 42206362.

The previous prime is 42206347. The next prime is 42206371. The reversal of 42206363 is 36360224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42206363 - 2⁴ = 42206347 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42206323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21103181 + 21103182.

It is an arithmetic number, because the mean of its divisors is an integer number (21103182).

Almost surely, 2^42206363 is an apocalyptic number.

42206363 is a deficient number, since it is larger than the sum of its proper divisors (1).

42206363 is an equidigital number, since it uses as much as digits as its factorization.

42206363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 26.

The square root of 42206363 is about 6496.6424405226. The cubic root of 42206363 is about 348.1710388138.

Adding to 42206363 its reverse (36360224), we get a palindrome (78566587).

The spelling of 42206363 in words is "forty-two million, two hundred six thousand, three hundred sixty-three".