63015243 has 8 divisors (see below), whose sum is σ = 88962768. Its totient is φ = 39538944.

The previous prime is 63015223. The next prime is 63015259. The reversal of 63015243 is 34251036.

It is a happy number.

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

It is not a de Polignac number, because 63015243 - 2⁶ = 63015179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63015223) 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, 617746 + ... + 617847.

It is an arithmetic number, because the mean of its divisors is an integer number (11120346).

Almost surely, 2^63015243 is an apocalyptic number.

63015243 is a deficient number, since it is larger than the sum of its proper divisors (25947525).

63015243 is a wasteful number, since it uses less digits than its factorization.

63015243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235613.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 63015243 is about 7938.2140938627. The cubic root of 63015243 is about 397.9378096140.

Adding to 63015243 its reverse (34251036), we get a palindrome (97266279).

The spelling of 63015243 in words is "sixty-three million, fifteen thousand, two hundred forty-three".