42162563 has 2 divisors, whose sum is σ = 42162564. Its totient is φ = 42162562.

The previous prime is 42162559. The next prime is 42162641. The reversal of 42162563 is 36526124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42162563 - 2² = 42162559 is a prime.

It is not a weakly prime, because it can be changed into another prime (42162503) 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, 21081281 + 21081282.

It is an arithmetic number, because the mean of its divisors is an integer number (21081282).

Almost surely, 2^42162563 is an apocalyptic number.

42162563 is a deficient number, since it is larger than the sum of its proper divisors (1).

42162563 is an equidigital number, since it uses as much as digits as its factorization.

42162563 is an odious number, because the sum of its binary digits is odd.

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

The square root of 42162563 is about 6493.2705934683. The cubic root of 42162563 is about 348.0505580088.

Adding to 42162563 its reverse (36526124), we get a palindrome (78688687).

The spelling of 42162563 in words is "forty-two million, one hundred sixty-two thousand, five hundred sixty-three".