63115103 has 4 divisors (see below), whose sum is σ = 64306008. Its totient is φ = 61924200.

The previous prime is 63115069. The next prime is 63115111. The reversal of 63115103 is 30151136.

It is a happy number.

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 63115103 - 2²⁴ = 46337887 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 (63115903) 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, 595373 + ... + 595478.

It is an arithmetic number, because the mean of its divisors is an integer number (16076502).

Almost surely, 2^63115103 is an apocalyptic number.

63115103 is a deficient number, since it is larger than the sum of its proper divisors (1190905).

63115103 is a wasteful number, since it uses less digits than its factorization.

63115103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1190904.

The product of its (nonzero) digits is 270, while the sum is 20.

The square root of 63115103 is about 7944.5014318080. The cubic root of 63115103 is about 398.1479021531.

Adding to 63115103 its reverse (30151136), we get a palindrome (93266239).

The spelling of 63115103 in words is "sixty-three million, one hundred fifteen thousand, one hundred three".