63243263 has 4 divisors (see below), whose sum is σ = 63726168. Its totient is φ = 62760360.

The previous prime is 63243259. The next prime is 63243277. The reversal of 63243263 is 36234236.

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

It is a cyclic number.

It is not a de Polignac number, because 63243263 - 2² = 63243259 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 (63243223) 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, 241256 + ... + 241517.

It is an arithmetic number, because the mean of its divisors is an integer number (15931542).

Almost surely, 2^63243263 is an apocalyptic number.

63243263 is a deficient number, since it is larger than the sum of its proper divisors (482905).

63243263 is a wasteful number, since it uses less digits than its factorization.

63243263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482904.

The product of its digits is 15552, while the sum is 29.

The square root of 63243263 is about 7952.5632974532. The cubic root of 63243263 is about 398.4172097821.

Adding to 63243263 its reverse (36234236), we get a palindrome (99477499).

The spelling of 63243263 in words is "sixty-three million, two hundred forty-three thousand, two hundred sixty-three".