63263543 has 4 divisors (see below), whose sum is σ = 72301200. Its totient is φ = 54225888.

The previous prime is 63263537. The next prime is 63263549. The reversal of 63263543 is 34536236.

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

It is an interprime number because it is at equal distance from previous prime (63263537) and next prime (63263549).

It is a cyclic number.

It is not a de Polignac number, because 63263543 - 2¹⁰ = 63262519 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 (63263549) 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, 4518818 + ... + 4518831.

It is an arithmetic number, because the mean of its divisors is an integer number (18075300).

Almost surely, 2^63263543 is an apocalyptic number.

63263543 is a deficient number, since it is larger than the sum of its proper divisors (9037657).

63263543 is an equidigital number, since it uses as much as digits as its factorization.

63263543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9037656.

The product of its digits is 38880, while the sum is 32.

The square root of 63263543 is about 7953.8382558360. The cubic root of 63263543 is about 398.4597915904.

Adding to 63263543 its reverse (34536236), we get a palindrome (97799779).

The spelling of 63263543 in words is "sixty-three million, two hundred sixty-three thousand, five hundred forty-three".