42663275 has 12 divisors (see below), whose sum is σ = 55203312. Its totient is φ = 32646240.

The previous prime is 42663253. The next prime is 42663277. The reversal of 42663275 is 57236624.

It is not a de Polignac number, because 42663275 - 2⁶ = 42663211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42663277) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36524 + ... + 37673.

It is an arithmetic number, because the mean of its divisors is an integer number (4600276).

Almost surely, 2^42663275 is an apocalyptic number.

42663275 is a deficient number, since it is larger than the sum of its proper divisors (12540037).

42663275 is a wasteful number, since it uses less digits than its factorization.

42663275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74230 (or 74225 counting only the distinct ones).

The product of its digits is 60480, while the sum is 35.

The square root of 42663275 is about 6531.7130218649. The cubic root of 42663275 is about 349.4229266062.

Adding to 42663275 its reverse (57236624), we get a palindrome (99899899).

The spelling of 42663275 in words is "forty-two million, six hundred sixty-three thousand, two hundred seventy-five".