42063313 has 4 divisors (see below), whose sum is σ = 42595840. Its totient is φ = 41530788.

The previous prime is 42063299. The next prime is 42063317. The reversal of 42063313 is 31336024.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42063313 - 2¹³ = 42055121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42063317) 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, 266145 + ... + 266302.

It is an arithmetic number, because the mean of its divisors is an integer number (10648960).

Almost surely, 2^42063313 is an apocalyptic number.

It is an amenable number.

42063313 is a deficient number, since it is larger than the sum of its proper divisors (532527).

42063313 is an equidigital number, since it uses as much as digits as its factorization.

42063313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532526.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 42063313 is about 6485.6235629275. The cubic root of 42063313 is about 347.7772416172. Note that the first 3 decimals are identical.

Adding to 42063313 its reverse (31336024), we get a palindrome (73399337).

The spelling of 42063313 in words is "forty-two million, sixty-three thousand, three hundred thirteen".