63331243 has 8 divisors (see below), whose sum is σ = 64441440. Its totient is φ = 62230080.

The previous prime is 63331187. The next prime is 63331253. The reversal of 63331243 is 34213336.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63331243 - 2¹⁷ = 63200171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63331253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12733 + ... + 16993.

It is an arithmetic number, because the mean of its divisors is an integer number (8055180).

Almost surely, 2^63331243 is an apocalyptic number.

63331243 is a deficient number, since it is larger than the sum of its proper divisors (1110197).

63331243 is a wasteful number, since it uses less digits than its factorization.

63331243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4517.

The product of its digits is 3888, while the sum is 25.

The square root of 63331243 is about 7958.0929248156. The cubic root of 63331243 is about 398.6018750604.

Adding to 63331243 its reverse (34213336), we get a palindrome (97544579).

The spelling of 63331243 in words is "sixty-three million, three hundred thirty-one thousand, two hundred forty-three".