63115243 has 8 divisors (see below), whose sum is σ = 66227616. Its totient is φ = 60033600.

The previous prime is 63115231. The next prime is 63115259. The reversal of 63115243 is 34251136.

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 63115243 - 2⁵ = 63115211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63115343) 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, 3418 + ... + 11743.

It is an arithmetic number, because the mean of its divisors is an integer number (8278452).

Almost surely, 2^63115243 is an apocalyptic number.

63115243 is a deficient number, since it is larger than the sum of its proper divisors (3112373).

63115243 is a wasteful number, since it uses less digits than its factorization.

63115243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15365.

The product of its digits is 2160, while the sum is 25.

The square root of 63115243 is about 7944.5102429288. The cubic root of 63115243 is about 398.1481965394.

Adding to 63115243 its reverse (34251136), we get a palindrome (97366379).

The spelling of 63115243 in words is "sixty-three million, one hundred fifteen thousand, two hundred forty-three".