42063365 has 4 divisors (see below), whose sum is σ = 50476044. Its totient is φ = 33650688.

The previous prime is 42063361. The next prime is 42063377. The reversal of 42063365 is 56336024.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19945156 + 22118209 = 4466^2 + 4703^2 .

It is a cyclic number.

It is not a de Polignac number, because 42063365 - 2² = 42063361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42063361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4206332 + ... + 4206341.

It is an arithmetic number, because the mean of its divisors is an integer number (12619011).

Almost surely, 2^42063365 is an apocalyptic number.

It is an amenable number.

42063365 is a deficient number, since it is larger than the sum of its proper divisors (8412679).

42063365 is an equidigital number, since it uses as much as digits as its factorization.

42063365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412678.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 42063365 is about 6485.6275717929. The cubic root of 42063365 is about 347.7773849282. Note that the first 3 decimals are identical.

Adding to 42063365 its reverse (56336024), we get a palindrome (98399389).

The spelling of 42063365 in words is "forty-two million, sixty-three thousand, three hundred sixty-five".